With their signature flowers that bloom in whites, pinks and reds, they are a beautiful sight to behold in southern Louisiana’s hot summer months. As for your poor crepe myrtle, it suffers from an affliction I've written about before called Cercospora leaf spot. Also, a late frost or cool weather could cause the leaves to start changing to what is typically their fall color: rich bronze-red to orange. The same red and purple pigments behind similar colors in flowers, fruits and fall foliage show up in plants under stress. That’s where regular tree maintenance comes in! The dark-green leaves turn reddish-orange in the fall. The crepe myrtle (Lagerstroemia spp.) Baton Rouge, LA 70807 At Bayou Tree Service, we are often contacted by concerned tree owners when they notice something different or “off” about their trees. With so many Crepe Myrtles planted across the southeastern United States, they are a reliable, long-living tree, despite their tendency to become infected with Cercospora. © Copyright 2020 Meredith Corporation. (225) 372-8585, © 2018-document.write(new Date().getFullYear()) Bayou Tree Service Inc. All rights reserved. Q: Nancy, thank you so much. These trees bloom on new wood, which means that this season's growth makes the … In most instances, infected leaves develop a yellowish to orangey red coloration then fall … The simple fact is, there’s really nothing feasible or worthwhile that you can do to prevent Cercospora from infecting your tree, but since it isn’t life threatening, it truly isn’t something to worry about. Patches of white to grayish powdery growth occur on the surfaces of leaves, flowers and new shoots. My natchez crape myrtles are 2 months old and began growing leaves fantastic, yet at 2 months all of the leaves are turning orange/red and I'm sure they will soon fall off. It's late August, and none of the other Crape Myrtles in the neighborhood seem to be turning yet. A: Burned edges of leaves can be caused by several things including too much fertilizer, lack of water, root diseases or too much water. That more than likely is not the problem. It's losing more leaves in the inner branches, near the trunk. Southern Living is part of the Meredith Home Group. So if you suddenly spot leaves on crepe myrtle turning yellow, you’ll want to figure out quickly what is going on with this versatile plant. If you are seeing brown leaves (or even partially brown leaves) on a crepe myrtle shrub, such as a Natchez crepe myrtle (Lagerstroemia x Natchez), at the end of a dry summer, the problem could be due to drought. We have a 30 foot crape myrtle in our Austin backyard (see photo) In the last three years, the leaves have become redder and the tree weeps. Red Crape Myrtle Varieties Introduction. I suspect the problem is directly related to the amount of water your crape myrtle is receiving. In autumn the mid-green leaves turn yellow, orange or red (depending on the variety) before falling. nor do our other crepe myrtle trees with pink blooms. Growing in zones 6 to 9, the dynamite crape myrtle puts on fiery red flowers. Selections of crape myrtle (Lagerstroemia spp.) While Cercospora is a known disease of Crepe Myrtle trees, you need not worry. Please see the 5 photos attached. There's a teeny chance it's supposed to look like that (for example, one called 'Prairie Lace' has deep pink blossoms edged in white). Powdery Mildew: Powdery mildew is one of the most common problems of crape myrtle, and it is caused by the fungus Erysiphe lagerstroemia. It will bloom for about 70 days. First, if you’ve noticed these telltale signs of Cercospora, the disease has already taken ahold of your tree. These bushes flourish in the southeastern United States, where they are very popular due to their ability to withstand the summer heat. Weird? After a month-and-a-half of brutally hot temps in the high-90's, we had a rainy, cloudy Saturday. The leaves turned a deep russet, then burgandy in the fall. Nope. Foliage Curls, Turns Yellow shows Aphids Check crape myrtle stems and leaves for bunches of soft-bodied, pear-shaped, insects a little bigger than the head of a pin. A lot of them are turning red. Leaves, Bark and Branches Most crape myrtles have dark green leaves, some tinged with red upon opening. Second, even though Cercospora may cause some unsightly discoloration of your Crepe Myrtle tree leaves, it is not a life-threatening disease. Call Bayou Tree Service today at (504) 608-0712 in New Orleans, or in Baton Rouge (225) 414-4076. Third, heavy summer rain showers are known to cause more and more cases of Cercospora in Crepe Myrtle trees. They resist mildew, tolerate heat and cold, bloom for a long time, produce few seeds, don't get too big (15 to 20 feet tall). ‘Tis the season to ditch your all-white palette in favor of something a little bolder and brighter. Weather affects the colors of many flowers, not just those of crepe myrtles. Photo 1264 is the east side of the tree, it’s in a little better shape. But there is one mystery plaguing a lot of gardeners right now upon which Grumpy will shine the light of knowledge and understanding -- why crepe myrtles sometimes change color. If you’re noticing black spots on the leaves of your Crepe Myrtles, your trees are experiencing a disease called Cercospora. Q. Crepe Myrtle Leaves Turning Yellow to Red. Crepe myrtles (Lagerstroemia indica) are small trees with abundant, showy blossoms.But the lush green leaves help make this a favorite in gardens and landscapes in the southern United States. And that's when people freak out and invest all their life savings in bomb shelter carpeting. However, the much more likely culprit is the weather. Along with their bright colorful bloom display during the summer months the leaves of the Crepe Myrtle also turn orange, red and yellow in the fall. Many plant disorders cause leaves to change color, but few cause them to turn black. People love red. Crepe Myrtles are among the toughest, most adaptable, and showiest plants that can be grown in the Texas landscape. Red is the rarest naturally occurring color among crepe myrtles. Festooned in white, pink, orange, red or purple blooms in summer and brilliant leaves in fall, different varieties of crepe myrtles (Lagerstroemia spp.) Sioux Crape Myrtles have very dark green leaves that create a radiant show of contrasting colors. The tree is about 15 - 20 years old and roughly 20' tall. This tree that can grow up to 24-inches in a year reaches about 20 feet at maturity. Take a look at the crepe myrtle bloom above. Some of the world's great mysteries may never be solved -- like how did the hosts of "Fox & Friends" ever graduate from high school? Leaves prematurely turn bright orange and red and then drop. At first, we thought that this was a reaction to the drought. There are a few Crapemyrtle cultivars with red leaves. These leaves tend to dry out and wilt. Red foliage enhances desirability in some ornamental plants, but when green summer leaves turn red unexpectedly, color can be cause for concern. They also flaunt vivid red flowers. Our Natchez Crape Myrtle Leaves are turning red-orange as they do in autumn each year, and they are beginning to drop off. Heavily infected flowers may fail to open. Photo 1265 is the west side and you can see more red leaves. It seems to me to be too early for it to be getting fall colors since it's still close to 90 degrees here! They are developing brown spots and the leaves change from their natural green to yellow, orange and red. If the leaves still retain some green coloring and the black portions are mainly along the edges, the crepe myrtle may be suffering from leaf scorch which is not a true disease but is caused by improper watering. provide head-turning allure to gardens in United States Department of Agriculture plant hardiness zones 6 through 9. There is nothing you can do, including fertilizing with uranium or sunbathing nude on Mercury, to change this. And so two fairly recent introductions, 'Dynamite' and 'Red Rocket', have exploded in popularity (pun intended). . If you’re noticing black spots on the leaves of your Crepe Myrtles, your trees are experiencing a disease called Cercospora. It was very pretty. One is a Lagerstroemia x fauriei 'Arapaho' - red flowers and dark leaves. Then we had that rainy weekend. Thank you for the information. Other flowers that you wouldn't normally think of change color too. Red is the rarest naturally occurring color among crepe myrtles. ANSWER: This is Cercospora leaf spot due to all the rain. We are in the 94517 zip code. New Orleans, LA 70121 Photo 1262 is the west side of the tree. When the next flush of flowers opened, a white spot adorned nearly every petal. Don't you just love the way that "pink" daffodils and "yellow" magnolias never turn that color for you because the spring is too hot? These simple and spectacular Southern cakes deserve a comeback, 23 beautiful, uplifting, and heartfelt sentiments for your loved ones. But they share one weird idiosyncrasy. For instance: This phlox in my garden bloomed deep pink during the heat. . It shows itself in late summer. Many leaves fall during the summer, although some are the normal green. this link is to an external site that may or may not meet accessibility guidelines. The curling leaves are probably caused by lawn chemicals, probably a phenoxy herbicide. 1 Comment It is the middle of the summer and your crepe myrtles leaves are starting to discolor. The older brown bark peels away to reveal bright beige bark underneath. Normal. There is no reversing it, not even by spraying your trees. Crepe Myrtle Leaves Are Turning Orange-Red. I watched the color change in my neighborhood about a week ago. That's they way these new crepe myrtles are. I planted two Crape Myrtle's this past fall. Unpruned crepe myrtles develop beautifully coloured, smooth, mottled trunks. When flowers open during cool, cloudy weather, instead of opening red, they open white. Initially displaying dark spots, these leaves eventually turn yellow, orange or red and fall off your trees, well before the … Crepe Myrtles are among the most popular trees decorating homes, commercial, municipal and educational landscapes in New Orleans, Baton Rouge and throughout the southeastern United States. https://www.wilsonbrosgardens.com/crape-myrtle-leaf-spot.html Dynamite Crape Myrtle. The trendy haircuts you’ll be seeing everywhere next year. I love Crape Myrtles! Infected parts of the plant are usually distorted and stunted. Anybody want to buy 5,000 yards of storm shelter carpeting? | Web Design by ComSolutions. Learn how to season this Southern kitchen staple in five easy steps. So learn to love it. Unfortunately, some crape myrtle cultivars are susceptible to powdery mildew. Crape myrtles are prized where they can be grown for their beautiful flowers, long blooming season, and attractive, interesting bark. That’s simply too much tree maintenance for most Crepe Myrtle owners, especially considering how many of these beauties can be found across our local landscape. genus is a truly spectacular member of the loosestrife family, boasting a flowering season that may last up to 120 days. Sometimes, certain aphid species cause galls (swelling of plant tissues) on crepe myrtle that is round or spindle-shaped. If this is happening to your crepe myrtle trees, are they still healthy? And we all know just how much rain we get in the summer in Louisiana! Initially displaying dark spots, these leaves eventually turn yellow, orange or red and fall off your trees, well before the hot Louisiana temperatures have dropped and fall has begun. 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. Shortly thereafter, I began noticing red crepe myrtles with white flowers. with true red flowers are now widely available, thanks to new and dramatic improvements in crape myrtle flower color.As with other colors of crape myrtle, red crape myrtle varieties are free-flowering and will continue to produce flowers throughout summer and on into autumn. In fact, if a Crepe Myrtle tree owner truly wanted to control Cercospora, he or she would need to spray the tree every 7 to 10 days with a fungicide, from early summer into the fall. There is an Australian native crepe myrtle (Lagerstroemia archeriana), which grows to … Hi Josephine - This is the first I've heard of this problem on the Red Rocket Crape Myrtle. In 1997 the Crepe Myrtle was named “The State Shrub Of Texas”. When a small amount of this herbicide from careless spraying or drift gets on a plant like crape myrtle it … When the entire plant turns black and appears to be dirty, suspect a pest infestation. One of the most common trees that we get questions about this time of year are actually Crepe Myrtles! These are aphids, which suck sap from leaves and stems of … I'll give you a deal. However, the leaves are turning yellow to red and then dropping off. They may be white, yellow, red or brown. We live in Austin, Texas and all of our neighbors' established trees do not have this problem. Question From: m. sims - Tifton, Georgia, United States . Photo 1263 a closer look of the west side of the tree. Trees that are affected with Cercospora can be expected to reach their normal lifespan of more than 50 years! When the crepe myrtle tree has a heavy infestation of aphids, it causes a lot honeydew to accumulate on the tree. Pick one up and you'll notice it's covered with dark brown and blackish spots. I do know that the leaves of this variety emerge red in the spring and then quickly turn to deep green. Why is the bark is falling off my crepe myrtle? Photo 1261 is the base of the tree. And think about it. Consulting, pruning and fertilization on numerous historic Live Oaks Historic tree transplant, Consulting, pruning and fertilization on numerous historic Live Oaks as well as hundreds of younger trees, 264 Industrial Avenue You may live with a healthy crepe myrtle in the garden … Phenoxy herbicides are frequently sprayed on lawns to control broadleaf weeds. It appears to be properly planted. Our two Natchez white crepe myrtles planted two years ago are blooming. Answer: This is a fungal disease called Cercospora leaf spot. Then in the fall the leaves turn unique shades of purple and red. The disease is most serious in shady, damp locations, especially where plants … The flowers appear in clusters that can be up to 14-inches long. The older and younger barks intertwine on the trunk together to create a marbled look. Crepe myrtle leaves will start to fall and your tree will start to look pretty shabby. | Local Marketing by High Level Thinkers, New Orleans Ginkgo Biloba Trees Latest Victims of Rampant Disease, Why You Need Your Louisiana Live Oaks Pruned by an ISA-Certified Arborist This Winter, Buck Moth Caterpillar Spraying Pre-Registration Form. If you have a Crepe Myrtle that is displaying another issue, or other types of trees that you think may be diseased, we are happy to inspect them. Crape Myrtle (Lagerstroemia indica) requires full sun, well-drained soils and it is drought tolerant. Crepe Myrtle Leaves Turning Brown in Summer . But, have you ever noticed that your Crepe Myrtles’ leaves have black spots, or are changing colors or shedding before the autumn hits? These galls are full of aphids in different stages of their life. The leaves on a few varieties turn dark red, yellow or orange-red in the fall. 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