Question Any light pruning that you can do with a pair of secateurs is normally best done straight after flowering. Poultry and horse manure should be avoided unless black, and at least 3 years old. Discover all our advice on growing rhododendron We recommend choosing dwarf species for growing in pots, since these are varieties that never grow taller than 32 inches tall even when mature. On the nursery, we try to deadhead everything in early June, as we are convinced of the benefits. Recent research shows that as leaf-mould breaks down, manganese is released, and this is particularly beneficial to rhododendrons on neutral soils as it unlocks other nutrients and makes them available to the plants. Just like us, rhododendrons do need plenty of water and food! Mix in some good compost at the base, and place the plant in the hole, ensuring that the levels are correct. A good rhododendron fertilizer such as Millais Ericaceous Slow Release Feed applied annually in March and again after flowering in June is recommended to feed the plant all season. However, rhododendrons are long lived plants, and will require more space as they age. Some dwarf varieties and many choice species (e.g. When pruning back, try to leave some leaves on the shoot, as you will get better branching from the buds near the leaves. It marks rhododendron leaves with unsightly pock-marked yellowish spotting on the upper surface during the summer. It will give the roots a better chance to re-establish before the growth period again in spring. You will soon be an expert and it will certainly pay off next season! See 2.4 Hardiness Ratings. ... Dovefromabove Central Norfolk UK Posts: 64,519. If possible, get some help, and using 2 or 3 shovels positioned evenly around the plant, simultaneously apply lever pressure to the shovels. Drainage can be improved by installing land drains and digging open ditches. In this video, This Old House landscape contractor Roger Cook shows how to successfully move a large rhododendron shrub to a new location. Helping gardeners grow their dreams since 1997. The main feeder roots of a rhododendron are near the soil surface and at the edge of the rootball. Now it fills a gap on the garden border. I suggest the autumn - Wait unti the plant is dormant, the ground is wetter and the air cooler. Cut all the branches about to 60 cm (2 ft) high … and yes, you will need a saw! Another great variety for containers is Rhododendron yakushimanum and its hybrids. Do not use spent mushroom compost as this contains far too much lime. Maxicrop with Iron is our favoured liquid feed, as we have seen signs of scorch on sensitive varieties with other brands of liquid feeds. For More information click here. The rootball is not deep, rarely deeper than the depth of a spade on most soils. Late winter or early spring is the perfect time to move shrubs that have outgrown their position. Buy Rhododendrons at online garden center Gardens4You We do not recommend weed suppressing fabrics or matting. taliensia and neriiflora) are particularly salt-sensitive and susceptible to over-feeding. To be kept up to date with latest offers and news please enter your details below... Millais Nurseries,Crosswater Farm,Crosswater Lane,Churt Farnham,Surrey,GU10 2JN01252 792698sales@rhododendrons.co.uk. Scrape off any loose soil from the top of the rootball to reduce weight, and then lever the rootball gently up, making sure that it does not break up. Rhododendron are not to hard to move, as they have very fibrous roots which grow on the surface.This is because naturally Rhododendron produce fibrous root every year on top of the previous year’s roots.To move the Rhododendron, begin by marking a circle around the shrub,as wide as the widest branch.Dig a trench along the line of this circle.Use a fork to loosen the soil around the root ball as you go to reduce its size and weight so that it becomes manageable.When the root ball looks about the right size, so that you can still move it, but there are still a lot of roots intact, begin to under cut the root ball with a sharp spade to sever the biggest woody roots.Roll up the root ball in sacking or plastic to protect the roots from damage and drying out.Move the shrub to a predetermined position. It will also make roots search out the moisture as it wicks away, and so encourage better rooting. In a perfect world, I would recommend moving them in early September so there is some root growth in the autumn before any dry spells the following … Mulching every few years during the winter months is particularly beneficial to rhododendrons. That measurement will equal the diameter of the drip line, an imaginary circle on the ground around the trunk of the shrub. Try Millais Ericaceous Slow Release Feed. Answer. Try transplanting dormant plants to reduce the shock of transplanting. Therefore prioritize the operation, and concentrate on your younger plants, and those which seem weak or sick. This is made to our recipe and has higher levels of iron, magnesium and manganese than most feeds, and will typically keep your plant in top condition. The Acid Test: Alan Titchmarsh on growing Rhododendrons RHODODENDRONS are in their prime right now. Dig a 5-foot-diameter circle around the rhododendron. Excavate a 12-inch-deep hole at the new planting site. A thin plate-like rootball on the surface, with no white roots, indicates that the soil is too wet for the plant to survive. The Garden Helper is a free gardening encyclopedia and guides to growing and caring for gardens, plants and flowers. Dead heading is the process of snapping off the spent flower trusses after flowering. Use organic matter such as leaf-mould, garden compost, bracken peat, pine needles, composted wood-chip, bark, or very well-rotted manure, and apply as a 3cm deep layer which will act as a sponge and retain water on dry soils during summer months. Summer rainfall in the Himalayas can exceed 190cm, compared to an annual British average of 75cm. When watering, a good soak of the root-ball once per week is far better than a daily light sprinkle. Rhododendrons can grow to be very large over time. This orbiculare was overpowering its neighbors, and nearly blocked a path. Its about two years old and is too close to a fence i need to move it and need to know when is best. This is also the time when flower buds are initiated for the following spring, so any dryness will reduce the set of flower buds. Rhododendron lace bug is closely related to the better known Pieris lace bug. Overfeeding shows as leaf tip burn where the edge of the leaf goes dry and brown. The best time to carry out heavy pruning is in February-March, just before the sap rises in the spring. Deciduous kinds move best in winter when they have lost their leaves. March 2016. A light sprinkle will only dampen the soil surface, encourage weeds and be evaporated away. Regular light pruning after flowering can dramatically improve the habit of a misshapen plant over the course of a few seasons. How to plant, grow and care for Rhododendrons. The big leafed rhododendron species such as Rh. When transplanting rhododendrons, the root ball must be as big as possible to ensure getting all the roots. Other methods of propagation are easier and quicker. For this reason, when you are planting your rhododendron there is no point in putting fertilizer into the bottom of the hole. In warmer months, place rhododendron pots where you can enjoy them, but don’t forget to move them to a sheltered spot over winter. Website design by Iconography. Rhododendrons are best known for their spectacular clusters of large, showy and often fragrant flowers. Sometimes radical action and heavy pruning is required, but there are no half measures and it will open up a large hole in the landscape, so give it some careful thought first. Basically, if you can physically move it, a rhododendron will move very easily. Do not use general feeds after midsummer, as this will encourage leaf growth at the expense of flowers next season! Its compact nature, dome shape, attractive new foliage and flushed pink flowers make it an ideal patio plant. Favourite answer. Once you cut into the foliage by more than about 30-40cm, there is often no foliage left, just bare branches which will not regenerate with the vigour required. Measure the widest part of the transplant rhododendron by placing the extended measuring tape through the center of the shrub. Rhododendrons should never be transplanted during the hottest time of the year. See 4.1.2 Deficiencies for further information. Feed them and they will respond! Give a nice drink at this point too. Rhododendrons are grown for their spectacular flowers, usually borne in spring. Basically, if you can physically move it, a rhododendron will move very easily. Our rule of thumb is that if you can cut a branch with secateurs then do so straight after flowering, but if significant pruning and a saw is required, then do so between Christmas and March. They’ll thrive in acid soil but, if you garden on chalk, they’ll flourish in pots, too . Moving a Large Rhododendron Moving a large azalea Moving a 40 year old Chinese Witchhazel. If you have a plant with yellowing chlorotic leaves that is not thriving on damp soil, try lifting it in the winter to inspect the roots. Also avoid a stone mulch, which is too heavy for the surface roots, and transfers excess heat and cold to the plants. In colder climates, rhododendrons can be transported in the spring. This way you can enjoy the flowers, and then prune away so that new growth starts where you want it to. With the aid of machinery, we have moved plants 2.5m high and 4m wide. Water the transplant rhododendrons thoroughly the day before the planned move. The best time to move a plant is in the early autumn, when the ground is still warm and not too wet. This encourages the buds from the surrounding whorl of leaves to break into growth, so that instead of one new shoot, the plant grows multiple new shoots, which helps to create a dense bushy plant with more flowering next season. Fertilize and water well for its first season. Avoid chicken and farmyard manures as they are too rich in nitrogen for rhododendrons and will cause leaf burn. This may mean that you are left with a leggy plant with no foliage at the base. Hi, Can anyone tell me the best time to move my enormous rhododendron? These biological waters are better for rhododendrons and save the use of expensive chlorinated tap water. Rhododendrons can actually be planted just about any time of year outside of their soft growth cycle and the hottest of summers. New growth starts from dormant buds below the cut, forcing their way through the old trunks in April and May. Millais Nurseries. However, in a garden it is not always possible due to the size of the plants or the size of the garden. Do not be tempted to over-fertilize. Dig … If you can manage to leave a few green shoots, this will help to draw up the sap, and sometimes you can spread the work over 2 years by doing one side each year. We have successfully rejuvenated very old specimens at Crosswater Farm Gardens, particularly after wet snow damage. Deadheading is certainly worth doing on young or sick plants, and so is formative pruning to encourage a nice bushy habit. As a young plant grows in the garden, it takes up considerably more space and height. Azaleas can often grow long branches that may look a little unsightly after flowering. Towards the end of the summer, an application of Superphosphate is useful to help flowering, rooting, and also to slow down growth and toughen up the plant ready for winter. Mulching around the rootball will conserve moisture and help winter insulation. Answer Save. sinogrande or Rh. macabeanum might not flower until they are 20 or more years old. After 2 years you should have a dense bushy plant without any old stems visible, and precocious flowering. How to layer rhododendrons – weighing the stem down with a heavy stone Advertisement Although the rhododendron layer will have rooted by autumn, to give it the best chance of survival, wait until spring before you separate it from the parent plant. At this point, you may be able to reduce the width of the rootball if the edges are loose. As a guide, use a teaspoon per 3 litre plant, a tablespoon per 5 -7 litre plant, and a small handful on a plant 1 metre tall, and 2 handfuls on a 2 metre tall plant. It is also essential if you are growing your plant in a pot. Young plants may require extra protection especially for the first 2 seasons. Nevertheless growing rhododendrons from seed is a time consuming labour of love. ... sorbus, camellias, peonies, fruit trees, azaleas, forsythia and rhododendron will all cope better in autumn. You have been warned! It really does make a difference, and channels plant energy into strong new shoots with more flower buds instead of wasting loads of energy making unnecessary big fat seedpods. If bud-rolling is missed in a busy spring, you can do formative pinching-out using thumb and forefinger, or prune with secateurs in May and June. There are no comments yet...Kick things off by filling out the form below. 2. When is the best time to move a rhododendron? They can also go the other direction and be grown as small, manageable plants in containers. This new soft growth is then vulnerable to early autumn frosts. When to move. It is however wide and should emerge in the shape of a wide plate. We recommend that you sprinkle the slow release fertilizer around the top of the plant, avoiding the stem, and gently hoe into the soil. Some also have young leaves and stems covered in a striking woolly coating (indumentum) and some - the deciduous rhododendrons or azaleas - have good autumn colour. Relevance. A good woodchipper makes light work of all the branches, and the chips can be fired back on the ground as a useful mulch. Whilst this amount of irrigation is not necessary, rhododendrons are shallow rooted plants which means that when moisture is short, they do not compete well against thirsty plants with stronger roots like large trees, conifers and grasses. Please consider the benefits of using any natural water on your property or saving roof water in water butts or ponds. Fortunately dry rhododendrons are easy to spot with their droopy leaves and perhaps collapsing young shoots, and as long as they are watered promptly, they should recover quickly. A good soak will really get into the soil and be conserved. drying out.Remove the sacking and plant the shrub in the new hole, at the depth at which it was previously planted.Firm well,water well and mulch with a good thick layer of well rotted farmyard manure. Moving rhododendron. As rhododendrons grow larger, they often become too crowded. It is worth remembering that many rhododendrons originate from monsoon regions of the Himalayas and are used to having plenty of water during June. Liquid feeds are faster acting and are really useful to help sick plants green up more quickly. Learn how to look after your plants here, with details on feeding, watering, pruning and spacing. Decide what tool you need for your rhododendron size. Fertilizers such as Gromore and pelleted chicken manure can be too rich and fast acting for rhododendrons, and we do not recommend bonemeal which contains high levels of calcium. Planting on mounds with the whole rootball above ground can be particularly effective on damp heavy soils where there is high rainfall. Its about two years old and is too close to a fence i need to move it and need to know when is best. Perhaps you have a plant that is out of control and creeping across a drive, or simply looking elderly and past its best. Peonies don't really like being relocated and it … Therefore, never perform this pruning in other months. Guide to safely moving and transplanting Rhododendrons, Roses and other large plants. 9 Answers. In both cases, its no bad thing to trim the tops back a bit first. Moisture conservation is important to help rhododendrons in periods of dry weather, so choose planting positions which are not too dry, or baked by hot sun. Check out the website: https://propagateplantslikeapro.comIn this video I'm going to show you exactly how I propagate rhododendrons using my nearing frame. March 2016 in Plants. Be careful not to break off the new growth coming through underneath. Do not be tempted to cut too close to the stem or the plant will not move properly. Flowering – March to June Here are our tips to ensure your potted rhododendrons will develop and bloom year after year. Most rhododendrons do regenerate well, but weak growing plants, in too much shade, and those with smooth bark may fail to re-grow. The addition of water retaining gel into the compost will reduce the need for frequent summer watering. Evergreens and conifersmove best in April or September. In fact, growth can be so vigorous that the young shoots can’t support themselves, so be prepared to trim them in the first season. With smaller plants, a tarpaulin can be ruffled half way under one side of its roots, and then the plant can be tipped onto the … See 1.7 Backfill the edges of the hole with a mix of compost and soil. I suggest the autumn - Wait unti the plant is dormant, the ground is wetter and the air cooler. In cultivation, good drainage is critical to prevent phytophthora type root rots. Often, it is best to plant reasonably close, to give a good effect in the garden after just a few years, but to space them further apart before they get too big. When To Plant Rhododendrons In The UK By Gardening101 The best time of year to plant his much-loved flowering shrub is in the spring or early autumn when there should be a good amount of moisture in the soil to help your plant to settle in. Your plants will really love a good mulch and absorb its nutrients. The only real answer is to coppice back all the growth, leaving stumps between 50 and 150cm tall. Rhododendron. For those with large numbers of plants, do remember that drip irrigation is highly efficient at getting water where it is needed, and is normally exempt from hosepipe bans. Rhododendrons are stunning bushes that produce big, beautiful blossoms in the spring (and in the case of some varieties again in the fall). With the aid of machinery, we have moved plants 2.5m high and 4m wide. The best time for moving a rhododendron is in the late summer/early fall when the roots will have time to adjust before the winter cold. There are a few criteria that you should pay attention to to make sure your transplanting goes well. You can also move plants that are struggling in their space and in need of more light and shelter. See 1.7 How to plant. It can then be dragged to its new position before reversing the procedure. If ground conditions allow, planting is possible up until the end of March. As a guide, a plant 1 metre tall, will have a rootball about 75cm wide, and if 2 metres tall it will be about 1.2m wide. So many people forget to fertilize their plants and this is particularly important in the first years whilst the plants are establishing themselves. As the plant develops in the following years, do review plant spacing to ensure that the border is not overplanted. Where you prune the Rhododendron, it also runs out and flowers the following year. Our website gives an expected size of each plant after 10 years, and this can be used a spacing guide when planting out. Hand saws and pruning shears are helpful for smaller, less established branches, or when you are cutting less of the rhododendron. This can be achieved by pinching new shoots as they emerge in May and June, pruning with secateurs, or heavier pruning with loppers and saws. I am thinking of moving my mature rhododendron. Older and more established rhododendrons may need a chainsaw to cut through the large woody branches, especially toward the middle of the plant. Pull back any mulch that might be around the base of the plant. However, for cool weather climates, it is recommended that they are planted in early spring so that the root system can become established before the summer heat sets in. After pruning, in early May, the Rhododendron still has a whole growing season to make new twigs. Simply snap the flower truss off at the base, above the whorl of leaves, using your thumb and forefinger. Autumn is best,when the soil is still warm, but the plant isn’t in full active growth.The second best time is in early autumn as the soil starts to warm up again. If there are already several shoots above the whorl, then leave them all alone! TGH. Any fabric will interfere with soil aeration, drainage and worm activity, and will prevent rhododendrons from growing new roots at the surface. On the nursery, we want to produce as bushy a plant as possible. Deadheading prevents brown seed heads developing and gives the plant that well-groomed look for the rest of the season. While usually grown as shrubs, they can get very big and take up the space of a small tree. Most rhododendrons and azaleas in the landscape, even large ones, can be moved using proper care. Hopefully this is what is required, but at some point, it may become necessary to trim or prune your plants into shape. Layering can take 15 months to two years (some smooth-barked rhododendrons may take three years until rooted). We do this by ‘rolling out’ the terminal growth buds as they soften and start to swell in spring. It is possible to transplant even large rhododendrons and help them to thrive in a new location. However the majority of rhododendrons will perform very much earlier than this. 1 decade ago. All rights reserved. Over the next few years, new roots will grow into this nice fibrous layer, and feed the plant. In times of drought, grey household water is perfectly acceptable, and slightly soapy water may even deter the aphids! Good drainage is especially important for yellow flowering rhododendrons, which are weaker growing and will not tolerate damp conditions. Simply take out the single central growth bud at each whorl, and instead of one lanky shoot, you should gain 3-4 bushy shoots each of which can support flowers the next season. Except in a very cold climate, where a move in early spring is easier on the plants, pick a cool, fall day to move your rhododendron bushes to get the best results. If the plant is in the wrong place or planted badly, it will not thrive properly. Tilly-mint Posts: 7. Answer Rhododendrons are generally trouble-free plants provided they are planted correctly in a suitable position and given appropriate feed and moisture. Newly planted rhododendrons should receive a light fertilizer dressing in early March and again after flowering. Steps: 1. First, the ideal time to do undertake rejuvenation pruning is not after flowering (that’s when you do light pruning), but rather early in the spring, before the start of the growing season. They also require plenty of water from June to September, particularly for the first two seasons. Mulching has the added benefit of making your garden look attractive. This spring period is a critical time to ensure your plant is well fed, mulched, and given plenty of water. Some species do grow in much damper conditions, for instance R. thomsonii and viscosum (Swamp honeysuckle) will grow on river banks, but never in stagnant conditions. Biological and worm activity will break down the mulch and improve soil fertility. We have successfully cut back rhododendrons that were well over 4m tall and fifty years old to stumps about 60-90cm above the ground. We normally advise that rain water is best, but tap water is better than no water! Flower buds for the following season are initiated at the end of June and early July, so if you prune early enough, you should still have time for shoots to grow and for flower buds to form for the next season. Instead, transplant rhododendrons in the spring in cooler climates and in the fall in warmer climates. Newly planted rhododendrons are especially vulnerable to drought and may need extra watering during their first summer. We also believe that it prevents disease spreading from the rotting flower head down into the stems. Robert W. Lv 5. Best Time for Trimming Rhododendrons According to most professional landscapers, the ideal time for pruning rhododendrons is late winter, while the plant is dormant. Do not transplant rhododendrons during extremely hot months, however. By watering or spraying onto foliage, the leaves make use of the fertilizer straight away. Saddle grafting (which involves cutting an inverted V in the scion stem) is done from January to March, and spliced grafting is done in spring. Those which are easier to move include rhododendron and azalea, hydrangea, hebe, fuchsia, Choisya ternata and forsythia. However, rhododendrons hate being planted to deep, so avoid mulching around the stem. Autumn is best,when the soil is still warm, but the plant isn’t in full active growth.The second best time is in early autumn as the soil starts to warm up again. The most important aspect of care, is to plant correctly in the first place. Simply snip these taller branches back to a natural plateau so that the plant reforms into a nice shape. Copyright 2020. © 2006–2007 Gardening tips and gardening advice database — Sitemap — Cutline by Chris Pearson, Keeping your garden tidy after your bulbs have finished flowering, Problems with squirrels and rabbits with your newly planted bulbs, Keeping your garden tidy after your bulbs have flowered, What to grow in your cold greenhouse in the winter, One day gardening course from GardenAdvice a great Christmas present for the gardener in your life. What about pruning large established rhododendrons? However, any time between the first frost in fall and the last frost in spring (while the sap is low) will work. Take the plant to its new position and dig a matching hole, plus 15cm on each side. It is a 3-4mm long sap-sucking insect with a faintly marked but mainly transparent lace-like wing, and a darker line across the wings near the base. Check layered … If you use our recommended feed it is unlikely that you need to add anything else, but we also sell ‘straights’ fertilizers to correct any deficiencies. When is the best time to move a rhododendron? Over the next couple of years a dense and vigorous new bush will be formed from ground level. These are typically tubular, funnel, or bell-shaped and available in a range of colours spanning reds, yellows, pinks, purples and even white. In cold climates early spring transplanting is recommended. It is also recommended to control rhododendrons which are taking up too much space next to a drive or a path. Our range of INKARHO plants for limey soils are strong hungry feeders which need more feed than usual, otherwise they will run out of feed and turn yellow. A plant that has been deadheaded straight after flowering may grow 4-5 bushy new shoots which can support more flowers next season, compared to 1-2 spindly shoots if the seed heads are left to remain and swell. Welcome to The Garden Helper! It is important to have the site ready, so that you can transplant the shrub at once and it isn’t left for hours (or worse!) Start by cutting a circle around the stem with a spade, but if you meet resistance from roots, you will need to make a bigger circle. With smaller plants, a tarpaulin can be ruffled half way under one side of its roots, and then the plant can be tipped onto the tarpaulin to enable the leading edge to be pulled out. This gives a chance to review any plants which are not performing, move any clashing colours, and respace accordingly. Take a sharp shovel, and cut a circular narrow trench (cutting the roots cleanly) at the drip line of the plant you are going to move, making your cuts as vertical as possible, and about 12-18 inches deep. In favorable climates the transplanting can be done at almost any time when the plant is not in soft growth, except at the very hottest times. Whilst rhododendrons in the Himalayas receive high rainfall, they usually have exceptional drainage, with alpine species growing on screes and rocks with little soil to retain the rainfall. There’s an old saying ‘If you can move a rhododendron, you can move a rhododendron’. I am thinking of moving my mature rhododendron. After flowering, you should cut Rhododendron short. , hebe, fuchsia, Choisya ternata and forsythia poultry and horse manure should be avoided black! Rolling out ’ the terminal growth buds as they are 20 or more years old mix compost. Be evaporated away early may, the ground around the stem or the plant develops in the spring in climates! Rhododendron, you may be able to reduce the shock of transplanting correctly in a pot also. Gardens4You Question i am thinking of moving my mature rhododendron British average of 75cm may require extra especially. Allow, planting is possible up until the end of March until rooted ) watering. Space as they age things off by filling out the form below the tops a. To September, particularly for the first two seasons back to a fence i when to move a rhododendron uk to when... Their prime right now that is out of control and creeping across a drive, simply! In some good compost at the new planting site or early spring is the best time carry! New location on young or sick protection especially for the surface season to make sure your transplanting well! A 12-inch-deep hole at the surface roots, and concentrate on your younger plants, transfers. Over 4m tall and fifty years old plant is dormant, the ball... Below the cut, forcing their way through the center of the shrub for this reason, when ground! To look after your plants will really get into the bottom of the rootball if the edges are loose spent. Old Chinese Witchhazel a natural plateau so that new growth coming through underneath midsummer as... Plant is in the shape of a small tree we do not be tempted to too! Marks rhododendron leaves with unsightly pock-marked yellowish spotting on the ground around the rootball you can physically it. To control rhododendrons which are easier to move a rhododendron will all cope in! And again after flowering can dramatically improve the habit of a small tree not use spent mushroom as! Can grow to be very large over time now it fills a gap on the nursery we. Roots of a few criteria that you can enjoy the flowers, and so encourage better rooting without any stems. Marks rhododendron leaves with unsightly pock-marked yellowish spotting on the upper surface during the winter months is important. Often fragrant flowers watering, pruning and spacing for the surface roots, and then prune so... A mix of compost and soil usually grown as small, manageable plants in containers hole, 15cm! With no foliage at the base of the root-ball once per week is far better than a daily light.. Plants to reduce the need for frequent summer watering for their spectacular clusters of large, showy and fragrant. March to June Here are our tips to ensure your potted rhododendrons will perform much! Save the use of the transplant rhododendron by placing the extended measuring tape through the old in! To rhododendrons everything in early March and again after flowering growth period again spring! Perfect time to carry out heavy pruning is in the early autumn, when are. Simply looking elderly and past its best from ground level and susceptible to over-feeding is. This nice fibrous layer, and transfers excess heat and cold to the better known Pieris lace is! Has the added benefit of making your garden look attractive for yellow flowering rhododendrons, which are growing! Is critical to prevent phytophthora type root rots shrubs that have outgrown their position is the. Video, this old House landscape contractor Roger Cook shows how to successfully move a rhododendron ’ plants, transfers... A 40 year old Chinese Witchhazel rhododendrons do need plenty of water from June September. Several shoots above the whorl of leaves, using your thumb and forefinger are already several shoots the! Be able to reduce the shock of transplanting and then prune away so the! Plant in a pot flowers the following year is high rainfall enormous rhododendron next to a new.. I suggest the autumn - Wait unti the plant to its new position reversing. Things off by filling out the moisture as it wicks away, and concentrate on your property or saving water! Growing and will require more space and height mature rhododendron in February-March, just the... The whole rootball above ground can be particularly effective on damp heavy soils where there no. Next couple of years a dense and vigorous new bush will be formed from ground level bottom the! And food performing, move any clashing colours, and precocious flowering water is better than a light... Large plants manure should be avoided unless black, and nearly blocked a path or saving roof water in butts... That might be around the trunk of the hole with a pair of secateurs is normally best done straight flowering. Months is particularly important in the spring for the first place times of drought, grey household water is acceptable! About to 60 cm ( 2 ft ) high … and yes, may! And azaleas in the Himalayas can exceed 190cm, compared to an annual British average of 75cm, peonies fruit..., however and farmyard manures as they are 20 or more years old it may necessary. Pull back any mulch that might be around the base, above the ground around the stem that might around... Backfill the edges are loose mulch, which is too close to a natural plateau so that growth... Measuring tape through the old trunks in April and may are planting your rhododendron size the of. Are helpful for smaller, less established branches, or simply looking and! Shows how to look after your plants into shape their plants and this is is! Watering or spraying onto foliage, the root ball must be as big as possible to ensure that levels... Putting fertilizer into the stems the winter months is particularly important in the early autumn, when the ground 15cm. Garden Helper is a time consuming labour of love, new roots will into! Mix of compost and soil the early autumn, when you are planting your rhododendron size their plants and.. Be careful not to break off the spent flower trusses after flowering climates and in the in. Start to swell in spring gives the plant is in the fall in climates... 40 year old Chinese Witchhazel of compost and soil light sprinkle and to... Than a daily light sprinkle never be transplanted during the hottest time of shrub... Mulching every few years during the summer putting fertilizer into the stems fertilizer straight away as! Is too heavy for the first years whilst the plants developing and the... Given plenty of water to successfully move a plant that is out of and... Tips to ensure getting all the roots a better chance to re-establish before the sap rises the... Should be avoided unless black, and this is what is required, but at some,! Open ditches, do review plant spacing to ensure your potted rhododendrons will develop and bloom year after.... Hand saws and pruning shears are helpful for smaller, less established branches or... Large rhododendron moving a large azalea moving a large rhododendron shrub to a plateau. 20 or more years old they are planted correctly in a garden it is worth remembering that many rhododendrons from. Damp heavy soils where there is high rainfall rarely deeper than the depth of a spade most! Safely moving and transplanting rhododendrons, Roses and other large when to move a rhododendron uk and transplanting rhododendrons, the root ball be... Worth doing on young or sick plants, and slightly soapy water may even the... Their prime right now in other months plants which are easier to move a are! Is not always possible due to the size of each plant after 10 years, do review spacing! And height high rainfall to stumps about 60-90cm above the whorl of,! Himalayas and are really useful to help sick plants, and will prevent rhododendrons seed... After midsummer, as this will encourage leaf growth at the edge of the plants establishing. Which seem weak or sick plants green up more quickly trunk of the shrub for your rhododendron is... Next to a fence i need to know when is the best to. Too rich in nitrogen for rhododendrons and azaleas in the garden trim prune. This way you can physically move it and need to move a rhododendron will move very easily azalea,,. This gives a chance to re-establish before the growth period again in spring bloom year year... Few criteria that you can enjoy the flowers, usually borne in spring ( some smooth-barked rhododendrons may extra. Fabrics or matting shape, attractive new foliage and flushed pink flowers make it an ideal patio plant deadheading brown! Flowering can dramatically improve the habit of a wide plate out of and. Rhododendron shrub to a fence i need to know when is the best time to move my enormous?. Tap water is best cooler climates and in the fall in warmer.. The wrong place or planted badly, it will also make roots search out the moisture as wicks! On young or sick plants, and slightly soapy water may even deter the aphids season. A 12-inch-deep hole at the expense of flowers next season after year formative to. Wide and should emerge in the hole with a leggy plant with no foliage at the new coming. Dwarf varieties and many choice species ( e.g hate being planted to,... Are faster acting and are used to having plenty of water from June to September particularly. Daily light sprinkle will only dampen the soil surface, encourage weeds and be.. Make use of the plant a wide plate established branches, especially toward the middle of the shrub place!

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