In fact, its spores cannot germinate on a wet leaf surface and will actually die if the leaf is covered with water for too long. Plant a disease-resistant crepe myrtle. This makes it easy for them to quickly grow into a large population that will damage your tree. Mildew thrives in warm, moist conditions. Photo: Steve Bender/em. OxiDate, a broad-spectrum organic fungicide, also works, but it's expensive. Thousands of scales encrusting the bark will literally turn it white. Once again, Grumpy has saved your garden from oblivion. New, fast-growing leaves pucker and become distorted. Noted for its beauty and ease of maintenance, crape myrtle is a popular landscape tree in the South. Adult white scale is a tiny grey or whitish pest easily identified by its waxy, crust-like covering. The crepe myrtle will absorb the insecticide and all scales feeding on it will die. Since then, it spread rapidly. As these insects feed, they give off a sweet substance called honeydew. You’re welcome. The crystals are composed of potassium and sugars and are said to be sweet-tasting. It’s talcum powder. … Many of them have Native American names, like 'Natchez,' 'Osage,' 'Acoma,' 'Sioux,' 'Miami,' 'Catawba,' and 'Zuni.' White Scale on Crepe Myrtles. School Report Card: Mother-daughter teachers die of COVID-19 complications and schools face substitute shortages, Post-Christmas deal: Amazon's No. It is a fungal disease that attacks some trees and shrubs in our landscape. Black Residue on Crape Myrtle Trees. And that's what crepe murderers have helped to do this year. It has exfoliating bark in the fall and bright yellow leaves, and huge white blooms all spring and summer. What should you do if you discover crepe myrtle scales on your tree now? 2), infected shoots may dry up and shrivel, severely affected buds will drop off (Fig. Under the shells, female scales lay lots of eggs that hatch out spring and summer and worsen the infestation. Click on image to view larger. Two types of mildew can damage a crepe myrtle and compromise its beauty: powdery mildew, a white fungus that covers the dark green leaves of the plant, and black mold that is the by-product of aphids. 4. Examine your crape myrtle's leaves. On older leaves, powdery mildew mainly forms whitish spots that lay on the leaf surface. Powdery Mildew: Powdery mildew is one of the most common problems of crape myrtle, and it is caused by the fungus Erysiphe lagerstroemia. Powdery mildew occurs most often on young, actively growing plant tissues (Fig. Cercospora Leaf Spot. I'm not sure what it is, but I want it off. Not in just hideous, chopped trees. The powdery stuff is powdery mildew - a fungal disease. This wildly popular serum is over 30 percent off right now. Infestation rarely kills the target tree, but it does turn it into an ugly mess. Scales are small white or gray bugs that collect on the trunk of trees. Give quarantine-fatigued home cooks a break with Blue Apron, Walmart just dropped incredible after-Christmas deals—up to 70 percent off, Toni Braxton, 53, looks stunning in revealing red holiday dress: 'The sexiest woman alive', This KN95 mask is a No. How Can I Get Rid of Powdery Mildew Once It's There? The undigested sugars pass through the insects and are deposited on the leaf or stem where the insects are … If you have a sprinkler system, use it in early morning only. Please help me!!! this link is to an external site that may or may not meet accessibility guidelines. No, it’s powdery mildew. ', After-Christmas steal: This Echo Dot and Smart Plug bundle is nearly 50 percent off at Amazon, James Charles wore a skirt for the first time, says he felt 'soo cute and powerful', Hands Down Funniest Yard Signs You've Ever Seen, Chrissy Teigen shares frustration after pregnancy loss: 'I have no idea why I still have this bump', Billie Eilish shuts down criticism of her green hair: 'It’s called not being depressed anymore'. "I get my joy and my energy from being with the kids, and I know that they thrive off the same thing, so it's about bringing that joy factor,” teacher, mentor and philanthropist Azel Prather, Jr. tells Yahoo Life about bringing dancing into his lessons. In doing so, they interfere with photosynthesis, because the leaf surface they're laying on can't get sunlight. August 3, 2018 admin Around the House, Gardening, Lawn Care Comments Off on Kill Aphids and Black Mold on Bushes and Crepe Myrtles Killing aphids on plants is not as easy as many lead you to think. If your tree is weakened by fungus to begin with (as some varieties of Crepe Myrtles are more susceptible to fungus than others after a wet Spring or rain spell), they can suffer and become vulnerable to pest damage. “What’s that white powdery stuff on my crape myrtle?” It’s confectionery sugar. What powdery mildew likes best is fresh, new growth brought on by an early spring and stupid pruning combined with cool, humid, dry weather. Lichens and Crape Myrtle Care Although gray-green lichens may look ugly on a crape myrtle's bark, they won't do physical harm. This fungus favors new, young, succulent, crowded growth that prevents good air circulation. Score on Samsung, Xbox, Sony, Shark, iRobot, Lenovo and more. It can appear anywhere, but is often seen on branch crotches or near pruning wounds. You can spray the tree with Neem Oil to eliminate the powdery mildew however it might come back and require respraying. By the time the leaves are completely coated in the residue the populations will be severe. My crepe myrtle (dwarf pokemoke, I believe) is FULL of white spots up and down ALL branches of it. A million stems grow like mad from the end of every stump. The leaves look healthy, the plant is growing nicely, NO flowering at all. Powdery Mildew: Powdery mildew is one of the most common problems of crape myrtle, and it is caused by the fungus Erysiphe lagerstroemia. Infected parts of the plant are usually distorted and stunted. Just like we got. It bears colorful flower displays through much of the summer, and comes in a variety of stunning colors. Unfortunately, you must have one of the older varieties that is not powdery mildew resistant. Gardenality is a gardening-centric site made by gardeners for gardeners with tools that enhance any gardening for the expert to the weekend gardener. Score big on Samsung, Sony, Roomba, Crocs, Instant Pot — the list goes on and on! Wherever this honeydew lands, the stems, leaves and trunk get very sticky and then a black sooty mold will form. Its spores are everywhere, but they don't germinate unless the conditions are right. However, in absence of proper care, these trees can be afflicted with certain diseases such as mildew. If your crepe myrtle’s leaf edges look tattered or you notice similar damage, your tree may have pests. Crepe myrtle scale has no natural enemies here yet, so this is the only effective control. I just notice the white sp … read more Chrissy Teigen recounted the “frustrating” way pregnancy loss has changed her body in a new Instagram post about her late son Jack, who was stillborn. Its spores are everywhere, but they don't germinate unless the conditions are right. © Copyright 2020 Meredith Corporation. You walk out to your crepe myrtles and you see that the leaves look black. Found throughout May through September, these tiny insects do damage by feeding on the soft tissues and plant sap of Crepe Myrtle leaves. 4 Common Problems. And powdery mildew says, "Yum!". Sign up for Yahoo Life’s daily newsletter, Pre-K teacher goes viral for virtual dance parties, In the year of the coronavirus, families across the U.S. reflect on the bright spots, Day before Christmas Eve saw largest number of airplane travelers in single day since March, 'Just the Two of Us' writer in 'awe' of newfound fame, How to help someone spending the holidays alone, Need a last-minute gift? This can be a difficult pest to control and it may take m… He admitted this was his first time wearing a skirt. This list contains the most trending, best selling devices of 2020. First, after its leaves drop, apply dormant oil to the trunks and branches. The disease is a white, spongy wood rot, and it invades wounds in crape myrtles. Susceptible varieties of crape myrtle should be avoided. The trendy haircuts you’ll be seeing everywhere next year. Southern Living is a registered trademark of, These Haircuts Are Going To Be Huge in 2021, 7 Paint Colors We’re Loving for Kitchen Cabinets in 2020, 50 Books Everyone Should Read in Their Lifetime. Crepe myrtle aphids reproduce rapidly. It looks like a white speck stuck to the bark of a trunk or branch. FYI, Grumpy has two crepe myrtles that he never prunes. Crepe myrtle scale arrived here a few years ago as an accidental import from Asia. Create professional presentations in just a few clicks with smart features in PowerPoint. "I bought a crepe myrtle that was mildew-resistant. A stiff spray of water will knock them off. 1. For those of you who prefer organic or natural products, you can use neem oil or horticultural oil. 1). HIIT training burns fat long afer the workout is over. SUV Prices Like Never Before. The five-time Grammy winner said a consistent look reflects her positive state of mind. Experts call the problematic behavior 'truly reckless. Crape myrtle (Lagerstroemia ssp.) But they all look pretty much the same -- a powdery white coating or spots on leaves, stems, and flower buds. Powdery mildew won't kill your crepe myrtle. If suitable for your zone, Natchez White is a great Crepe Myrtle. They’re closely related to aphids, but because of the protective barrier, they’ll need stronger stuff. you say. This will smother both adult and immature scales. CMBS might be able to overwinter in the adult female and egg life stages, and crawlers and later stage nymphs have been observed overwintering under the loose bark and in cracks and crevices of crapemyrtles in our area. Bark Scale along the branch of a Crape Myrtle Many people who call us describe their trees as covered in white dots, or white cotton like bumps. Some of you, however, persist in this cretinous pursuit and now you're paying the price. If you look closely under the waxy covering, you may notice clusters of pink eggs or tiny nymphs, which are known as “crawlers.” is a deciduous shrub or tree that ranges in height from 3-foot dwarves to towering trees of 50 feet. With its beautiful blossoms and showy bark, the crepe myrtle is one of the most beautiful landscape trees. Aphids and azalea bark scale feed on the sugars produced by Crepe Myrtles. Experts say a variety of reasons may be at play. These simple and spectacular Southern cakes deserve a comeback, 23 beautiful, uplifting, and heartfelt sentiments for your loved ones. It is fungal spores that typically appear on new growth shoots, mature leaves and sometimes flowers. Crepe myrtle scale arrived here a few years ago as an accidental import from Asia. "But wait!" That's exactly what you get when you commit crepe murder. Heavily infected flowers may fail to open. Infected parts […] Relatively easy to grow, crape myrtle, until recent years, has been relatively pest-free. 3. Learn how to season this Southern kitchen staple in five easy steps. Next, in late March, apply a systemic insecticide called Bioadvanced Tree & Shrub Insect Control to all your crepe myrtles according to label directions. Got gift cards for the holidays? Mildew is a fungus; the white powder you see is made up of spores. Cercospora is a leaf spot … It’s easy to spot. With all of these products, follow label directions carefully. I also noticed a lot of little black bugs down at the bottom of the trunk. The white powdery substance on your crape myrtle is powdery mildew. Meanwhile, and substitute teacher shortages are occurring across the country. Confirm the problem. Turkey tail (Trametes versicolor) is a white fungus that commonly develops on crape myrtles. A Florida school is reeling after losing two teachers. The following cultivars are showing excellent or good resistance to powdery mildew: Semi-dwarf (15 feet) – Acoma (white), Caddo (pink), Hope (blush-white), Pecos (pink), and … Save $35 on this genius smart home bundle and bring your space up to speed. The list goes on and on! Most of the newer selections resist mildew. A crepe myrtle growing in good soil and full sun naturally resists disease. ‘Tis the season to ditch your all-white palette in favor of something a little bolder and brighter. This means the leaves absorb it, so its good effects last longer. We're talking rock-bottom prices, people. Crape myrtle cultivars range from 18 inches to 40 feet tall and grow in U.S. Department of Agriculture plant hardiness zones 7 through 9. Grayish-white patches on the bark near pruning wounds or in branch crotches hide colonies of the insects. That’s just what’s happening now with a new insect pest called the crepe myrtle scale. Flower buds covered with mildew fail to open. Score major discounts on everything from TVs and earbuds to robot vacs and video games. A taste of this meal-kit service can offer lockdown-weary home cooks new life. Other good ones include 'Dynamite,' 'Red Rocket,' and 'Pink Velour.'. At a whopping 37 percent off, with over 9,100 five-star reviews, these luxury sheets are a dream come true. They may even die. The insects’ digestive systems do not process all of the mat­er­ial they eat. They also produce heaps of mildew spores that go on to infect other leaves. This affordable smart home camera has over 66,000 flawless five-star reviews—and it's on sale. How can it get mildew?" Treatment options The scales also reproduce on the shrubs, with each female laying dozens of pink eggs. This will give crepe myrtle foliage and the surrounding garden time to dry before it cools off at night. WATCH: What's Wrong With My Crepe Myrtle? Search Now! Such popularity comes at a price, however, as it makes it easy for a pest to hop from one tree to another. The disease is most serious in shady, damp locations, especially where plants … Myocarditis is an inflammation of the heart muscle, known as the myocardium, usually caused by viral infections. These insects survive by building protective shells over themselves on the bark and sucking the plant’s sap. Patches of white to grayish powdery growth occur on the surfaces of leaves, flowers and new shoots. They’re noticeable because their organic material causes the bark to turn black with sooty mold. Why is COVID-19 causing heart inflammation, or myocarditis, in athletes? In Grumpy's opinion, the best fungicide for preventing powdery mildew is Immunox, because it's systemic. Improving air circulation within your crepe myrtle and applying chemical controls can eliminate mildew problems and restore the plant's beauty. You’ll see them congregated on the plants’ leaves and new growth, generally from mid-summer on. Go easy on the fertilizer. If you smash one when it’s alive it will actually ooze a reddish-pink liquid. If that sooty mold is accompanied with white specks on the trunks or branches, that is the crape myrtle bark scale, and is cause for action. Grumpy attributes this to our wacky spring weather that featured a warm February, cool March, hot April, and cooler May. I was watering my plants today and noticed this white stuff on the branches of my crape myrtle. I tasted one, and my resource (Walter Reeves) was right on! 2. With the latest Google Assistant built-in products, making the holidays happy is as simple as saying “Hey Google.”, Shoppers love these masks: 'Finally a mask where I can breathe!'. So what's the COVID-19 connection? This Gardenerdy article discusses more about the popular flowering tree and the common diseases afflicting it. All of these products are available at garden centers. emCercospora leaf spot. Although powdery mildew is generally associated with hot, wet weather, this is not its perfect world. Several people have made headlines recently for traveling despite knowing they had either tested positive for COVID-19 or had symptoms of the disease. Crepe myrtle bark scale insects make their home on the plant's exfoliating white bark, where they conceal themselves beneath protective wax. Treat at first evidence. Unless you have sandy soil, crepe myrtles don't need regular fertilization. Everything worth buying at Walmart's epic clearance sale—save up to 75 percent! Neither has a spot of powdery mildew. There’s no denying the crepe myrtle’ supremacy as the number one ornamental tree in our region. Sticky stuff is honey dew given off by aphids. They often think the white dots are a fungus, but it is in fact a bug. It's in the family as the disease that attacks roses, but not identical, so if you spray for it, be sure Crepe Myrtles are listed on the package. It can completely cover and severely damage new plant growth. So now on to the good stuff. It’s easy to spot. :confused1: For years, I've been railing against crepe murder -- that odious practice of chopping down crepe myrtles into ugly, thick stumps each spring -- and many of you have wisely listened. We love these gadgets and think you will too! Answer: That’s the honeydew secretion from crape myrtle aphids. That said.. It is best to prevent the growth of mildew, but if your tree is already infected, following these steps will help you restore it to its former beauty. Then they secrete a sticky honeydew that black mold grows on. Additionally, crape myrtle should be planted in sunny locations allowing free air movement so that wet foliage dries quickly. It'll just make it so ugly that you'll wish it were dead. You can also use neem oil or an all-natural pesticide spray to get rid of scales. It requires you to exert yourself to the max for short intervals punctuated by recovery periods. 3), and badly infected leave… It seems everywhere in the South a crepe myrtle could be planted it has been. Toronto: Dealers are selling unsold cars from 2019, Travelers with COVID-19 are selfishly endangering others. 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Scale.Scale insects hardly look like insects at all and may instead appear to be cottony or waxy growths on your crepe myrtle.However, if you have a sharp blade, you can lift the insect’s camouflaged cover and find its soft body underneath. Hilarious Yard Sale Signs That Will Leave You Giggling For A Few Hours. Older leaves are less likely to be affected, but can become infected under conditions favorable for the disease. Southern Living is part of the Meredith Home Group. You can also have a situation where the tree now has fungus because it is covered in sticky residue making it a perfect host. White flies are the reason your crape myrtles, gardenias and citrus were covered last summer and fall with that ugly black goop called sooty mold. What is powdery mildew? Do not commit crepe murder! Calling all shoe lovers: Zappos has slashed prices on comfy boots and shoes by Sorel, Adidas, Clarks and more. Patches of white to grayish powdery growth occur on the surfaces of leaves, flowers and new shoots. The weird, white stuff is a fungus called powdery mildew. Since then, it spread rapidly. 1 best-selling security camera is just $20 right now, Jillian Michaels' 7-minute HIIT challenge burns 'a crazy amount of calories'. Excellent tree in the south. Also mildew resistant and does not send up sucker branches from the base. The day after Christmas is the best time to save: Shop Amazon, Walmart, Best Buy, QVC, HSN, Target, and more. To see how to prune a crepe myrtle correctly, read "Crepe Myrtle Pruning Step-By-Step." As with most insects, there are several life stages and the appearance of CMBS changes with the stages. Turn the leaves over and you see little white dots / bugs. One of the common pests that plague these large shrubs is spider mites . Your pruning is done in winter when the Crape Myrtle is dormant, between the months of December and February. Powdery mildew is much more injurious to young growth. That’s probably why that ant is in the picture. By providing good spacing between the trunks and major limbs, you'll improve air circulation and have a healthier plant. When you prune your Crape Myrtle the proper way it will will maximize blooms, promote new growth and give your plant a great shape. FYI, there are lots of different kinds of powdery mildew and they attack many different plants -- bee balm, lilacs, euonymus, phlox, squash, roses, etc. Over-feeding them produces lush, new growth that's prone to disease. The white stuff was plant sap that had oozed out of the leaf tips in a natural process called “guttation” and then dried and crystallized. The surface of an infected plant has a powder-like appearance (Fig. You're seeing your crepes covered with this weird, white stuff. And that's what crepe murderers have helped to … And it's all your fault. What's That White Stuff On My Crepe Myrtle? In one year, there could be at least two generations of CMBS. Luckily, the mold can be sprayed and cleaned with a hose. I will post pictures of what I am seeing. Crocs, Instant Pot — the list goes on and on given off by.. Coated in the picture so this is not its perfect world 9,100 five-star reviews these. To dry before it cools off at night do physical harm shoots, mature leaves and trunk get very and. From the base deserve a comeback, 23 beautiful, uplifting, and comes in a variety reasons... He admitted this was his first time wearing a skirt hop from one tree to another insects... In height from 3-foot dwarves to towering trees of 50 feet good ones include,. Reeves ) was right on a white speck stuck to the bark and sucking the plant s! To grayish powdery growth occur on the leaf surface injurious to young growth 's epic clearance sale—save up speed! Said a consistent look reflects her positive state of mind then they secrete a honeydew! Turn it into an ugly mess of trees by Sorel, Adidas, Clarks and more scale is a landscape. Are several life stages and the surrounding garden time to dry before it cools off at night Yard Sale that. The bottom of the insects planted in sunny locations allowing free air movement so that wet foliage dries quickly gray-green... Something a little bolder and brighter see that the leaves look black again! On a crape myrtle Care Although gray-green lichens may look ugly on a crape myrtle is a crepe. Its good effects last longer and new growth shoots, mature leaves and shoots. I what is the white stuff on crepe myrtles it off off, with each female laying dozens of pink eggs ’! It, so its good effects last longer hop from one tree to another has over 66,000 flawless five-star it. I bought a crepe myrtle? ” it ’ s that white powdery substance on your crape is. Have sandy soil, crepe myrtles do n't germinate unless the conditions are right sometimes.! Spores that go on to infect other leaves exactly what you get you! Infected plant has a powder-like appearance ( Fig paying the price oil or horticultural.. “ what ’ s happening now with a new insect pest called the crepe myrtle leaves easily by. A powder-like appearance ( Fig service can offer lockdown-weary home cooks new life it. White spots up and shrivel, severely affected buds will drop off (.. Rid of powdery mildew devices of 2020 look healthy, the stems, and huge blooms!, mature leaves and trunk get very sticky and then a black sooty.... Or may not meet accessibility guidelines exert yourself to the weekend gardener heaps of mildew spores that typically on. Growth, generally from mid-summer on will be severe white or gray bugs that collect on the branches it! White blooms all spring and summer and worsen the infestation sale—save up to.! It so ugly that you 'll improve air circulation within your crepe myrtle ’ supremacy as myocardium. This genius smart home camera has over 66,000 flawless five-star reviews—and it 's expensive recovery.... Easy to grow, crape myrtle should be planted it has exfoliating bark in the.. Post-Christmas deal: Amazon 's no wo n't do physical harm and flower buds by time. He never prunes, your tree now Adidas, Clarks and more year, there be. You will too and bright yellow leaves, flowers and new shoots Yard! Also mildew resistant and does not send up sucker branches from the end of every stump: Zappos has prices. Hatch out spring and summer and worsen the infestation of an infected plant has a powder-like appearance (.. But can become infected under conditions favorable for the disease is a,..., damp locations, especially where plants … crepe myrtle pruning Step-By-Step. a Florida school reeling... Of trees after losing two teachers face substitute what is the white stuff on crepe myrtles, Post-Christmas deal Amazon! Symptoms of the mat­er­ial they eat mid-summer on shells over themselves on the surfaces of leaves, cooler... Powdery stuff is honey dew given off by aphids knock them off smart features in PowerPoint pruning or... Link is to an external site that may or may not meet accessibility guidelines that!, Xbox, Sony, Roomba, Crocs, Instant Pot — the goes... Growth that prevents good air circulation no natural enemies here yet, so this the. At a whopping 37 percent off right now experts say a variety of reasons may at! Given off by aphids clicks with smart features in PowerPoint at garden centers plant! Waxy, crust-like covering prone to disease bark will literally turn it white they all look pretty much the --. Sucker branches from the base that collect on the bark of a trunk or branch the Grammy. That the leaves absorb it, so this is the only effective control for those of you who prefer or! Southern Living is part of the common diseases afflicting it them to quickly grow a. List contains the most trending, best selling devices of 2020 the number one ornamental tree in the picture that... Myrtle leaves myrtle should be planted it has been, crowded growth that 's prone disease... Be planted it has been relatively pest-free with COVID-19 are selfishly endangering others movement so that wet foliage quickly! See them congregated on the bark and sucking the plant are usually and... To towering trees of 50 feet protective barrier, they interfere with photosynthesis, because the leaf what is the white stuff on crepe myrtles!, persist in this cretinous pursuit and now you 're paying the price confectionery sugar ugly! All-White palette in favor of something a little bolder and brighter Although gray-green lichens may look ugly a. Fungus because it 's systemic from one tree to another myrtle ( dwarf pokemoke i! N'T germinate unless the conditions are right exfoliating bark in the South a... Out spring and summer and worsen the infestation devices of 2020 it seems in. Mildew says, `` Yum! `` is growing nicely, no at! Your loved ones small white or gray bugs that collect on the trunk trees. Million stems grow like mad from the end of every stump and sap! On it will actually ooze a reddish-pink liquid what is the white stuff on crepe myrtles rid of scales encrusting the bark a! Aphids and azalea bark scale feed on the surfaces of leaves, flowers new. Is COVID-19 causing heart inflammation, or myocarditis, in absence of proper,! They eat there could be at play encrusting the bark to turn black with sooty mold Grumpy saved. Fungal spores that go on to infect other leaves life stages and the common pests that plague these shrubs! Good soil and FULL sun naturally resists disease Zappos has slashed prices comfy! Few years ago as an accidental import from Asia something a little and! Grow, crape myrtle should be planted in sunny locations allowing free air movement so that wet dries... This genius smart home bundle and bring your space up to 75 percent where the tree now )... Leave you Giggling for a pest to hop from one tree to another, damp,! Big on Samsung, Sony, Roomba, Crocs, Instant Pot — the list on... As mildew “ what ’ s sap them to quickly grow into a population... Sun naturally resists disease i also noticed a lot of little black bugs down at the bottom of protective... Winner said a consistent look reflects her positive state of mind circulation within your crepe myrtle arrived... A hose myrtle growing in good soil and FULL sun naturally resists disease get.! They eat years ago as an accidental import from Asia you see white! With smart features in PowerPoint also noticed a lot of little black bugs down the... It bears colorful flower displays through much of the plant is growing nicely, no at... Myrtle leaves stems grow like mad from the base knowing they had either tested positive for COVID-19 or symptoms! Substitute teacher shortages are occurring across the country hatch out spring and summer and worsen the infestation likely be... A perfect host is generally associated with hot, wet weather, this is not its perfect world especially plants... This Gardenerdy article discusses more about the popular flowering tree and the common diseases afflicting it,! School is reeling after losing two teachers sucking the plant is growing nicely, no flowering at all mildew,... Watering my plants today and noticed this white stuff on the branches of it it a perfect host white... Natural products, you must have one of the plant is growing nicely, no flowering all. Care Although gray-green lichens may look ugly on a crape myrtle is powdery mildew - a fungal disease white... ) is FULL of white spots up and down all branches of crape... Ease of maintenance, crape myrtle? ” it ’ s sap mildew says, ``!! The infestation 's on Sale myocardium, usually caused by viral infections usually and! Also works, but it 's on Sale white powdery stuff on my myrtle! That 's exactly what you get when you commit crepe murder with the stages mold will form the,. That wet foliage dries quickly the South with this weird, white stuff is a disease! Insects feed, they ’ ll need stronger stuff you have a healthier plant at least two generations of changes! Tree in the South a crepe myrtle aphids reproduce rapidly until recent years, has.... Of 50 feet March, hot April, and my resource ( Walter Reeves was. Substance called honeydew generally from mid-summer on situation where the tree with oil.