These white-flowering hydrangeas bloom on new growth so you can shape them a … In most hardiness zones, you can leave hydrangeas on your patio unprotected, as they are very cold hardy. The spray can gently dislodge insects. Think about it this way. ), they range in size, shape and color. Step 3 - Tie Back Hydrangeas If they are too cumbersome to move, they can remain outside and be protected by covering the entire pot and plant. (You should do this even if you donât see insects, just to stay on the safe side. I live in zone 8A and have 3 tropical hibiscus plants in pots that I bring in each winter. While they can be grown year-round indoors, hydrangeas tend to grow larger and healthier when left outside during the warm months and brought indoors prior to winter. Apply at the rate and frequency indicated on the fertilizer label. Care for your pot-grown hydrangeas properly to ensure they thrive. Spanish lavender (L. stoechas) and fringed or French lavender (L. dentata) are much more tender—hardy outdoors only in Zone 8 and warmer. Fill the new pot with a peat-based, quality potting mix and plant the hydrangea to the same depth in the new pot that it was at in its old pot. If not you may want to move the plants to a nursery pot that can be placed inside the decorative pot during the growing season. Paniculata hydrangeas are very sun tolerant and can be planted in full sun or in part shade. We had the hardest winter last year that we have had in a very long time. âAs plants that grow in warm climates, most of these will appreciate being placed by a bright window.â. Care for your pot-grown hydrangeas properly to ensure they thrive. Every hydrangea has a different tolerance and even though they all can handle a certain amount of cold, ensure that you have a variety appropriate for your climate. Water that stands around the roots can cause rotting. 8 Plants to Add Color to Your Autumn Landscaping, 6 Tips for Bringing Your Plants Indoors in the Fall, Pruning 101: A Guide to Trimming Bushes, Hedges, Shrubs, Creative Landscaping Ideas for Your Above-Ground Swimming Pool, Turn Your Yard Into a Certified Wildlife Habitat, 2021’s Best and Worst States for Living Off the Grid, 10 Walkway Ideas for Your Yard and Garden, 14 Treehouse Ideas for Your Backyard Playhouse. If you will be moving the pot, place it on a small wheeled cart to make relocation simpler. Make sure your soil is well-drained. Follow this blog to stay tuned with what you need to keep your lawn in tip-top shape year-round. Itâs drought-tolerant, cold-hardy and likes both full sun and partial sun settings. Make sure your container will withstand the rigors of winter. âMany potted plants can easily be overwintered indoors as houseplants,â saysÂ Diane Larson, horticulturist at Rutgers Cooperative Extension of Monmouth County, N.J. âThis should be done before the first frost in your area.â. Bring the hydrangea indoors just before your area's first predicted frost date. Be sure to use a potting mix made for container plants. Bringing your plants indoors for the winter can take a lot of work to make sure that they are not infested by pests and that the plants will continue to grow once they are inside. Japanese yew and Brownâs yew can dress up a front porch year-round. But potted trees sit out in the open. Larson recommends bringing all tropical plants indoors for the winter. This will provide enough light for getting geraniums to last over winter indoors, though the plant may get a little leggy. âThe goal,â Larson says, âis to keep them alive until they can be placed back outside in the early spring. Ouch. Continue watering until the ground freezes. Pink Diamond Hydrangea, Growing, Selling and Propagating this Amazing Plant. You can over-winter Hydrangea paniculata plants in pots as well. Moving Potted Plants Indoors for Winter . Fortifying the Hydrangeas Fertilize the soil around the plant in mid-summer. When it starts warming up in the spring I’ll open the garage for a bit and then bring them back outside. Watering Hydrangeas in winter. Keep this light on 24 hours. Importance of Hydrangea Winter Care Every hydrangea has a different tolerance and even though they … Water the hydrangea when the soil surface begins to feel dry but before it begins drying deeper down. Here are a few ways to overwinter your plants. 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