white stuff on crepe myrtle bark

Just treat and monitor. Once the mated females produce their ovisacs (egg-containing capsules) and lay eggs, they die. #matthewslandscape #wefeedgrass #shreveportlawncare #bossierlawncare #blackmold #crapemyrtles Yes you can, and we recommend the Bayer product listed in the article. 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. This article covers the topic of controlling Crepe Myrtle (also spelled Crepemyrtle, Crapemyrtle or Crape Myrtle) bark scale. Over the years we have just found their products to be the perfect fit for our customers needs. Crape myrtle bark scale is a messy insect pest that leaves behind a sticky honeydew residue in which black sooty mold will develop. Honestly though, if you just see a few scale on that branch, then I would just smash those. Apply a soil drench of an imidacloprid product such as Ferti-Lome Tree & Shrub Systemic Insect Drench during this period. I actually thought it had died over the winter but was super surprised to see it start to sprout little leaves about a month ago! I live in Northern Virginia and just noticed (June) little white dots all over my beautiful 20 year old 18 foot Crepe Myrtle. Thousands of scales encrusting the bark will literally turn it white. Crepe myrtle scale arrived here a few years ago as an accidental import from Asia. Both my trees are only 3 feet high. You can try taking a soft bristle brush with water to remove the bark scale and the sooty mold. Hello well just found out I also have these white fluffy critters on two small trees here in South Mississippi. Or will that make the problems worst? So glad you found this blog so helpful. -Denise, Yes if the trees are not treated for 3+ years then it could hurt it enough to kill it in my opinion. We do have to spray a few times for it at our farm. Th… I will get the Bayer to treat from beginning and prevent the scale. Most everyone can save their trees if caught early on. So, do we do both? I was so happy they were doing great. First site I’ve come across that explains in layman terms on how to kill an save my trees. As the spots spread, the leaves and stems become covered in a white, puffy substance that causes the leaves to turn yellow and fall off. Bring us samples or images if you aren’t sure. It causes white or grayish powdery coat on the leaves. Again, black sooty mold with gray and white specs being CMBS. Holler if you have any other questions. The crapemyrtle bark scale, Acanthococcus (=Eriococcus) lagerstromiae(Kuwana), was first confirmed in the USA in 2004 in the landscape near Dallas (TX), although it was likely introduced earlier. I am so sorry to hear that you have such an ordeal with the scale. For example, if you have 5 trunks and the trunk circumference is 4 inches each, then you have a total of 20 inches in circumference. We know that there’s a fungus or disease that is common to it, that can kill them. Thanks for visiting the blog. You can always just throw on a pair of gloves and go to town smashing all of the individual scale bugs. Thank you!! As nearby shade trees grow and mature then the crape myrtles are left hidden underneath and struggle to get enough sunlight. -Denise. I also noticed a lot of little black bugs down at the bottom of the trunk. – Denise. I should have used the word “Treat” and not “Spray”. Would this bark scale be the reason my myrtles didn’t bloom much this season? Often times, the first sign of CMBS is the black sooty mold on the tree bark. Okay, jumping off that soapbox, let’s talk about the Crapemyrtle Bark Scale. Critters will always be out and about but only treat when you actually see something and try not to treat while they are blooming. Thank you, As these insects feed, they give off a sweet substance called honeydew. It was hard to watch all the other Myrtles in the neighborhood grow and bloom while ours just stood there all black and sad. Third cause could be tree stress and shock from pests. The Best Purple Flowering Tree For North Texas, STAY UP TO DATE AND SUBSCRIBE TO OUR MAILING LIST, Bayer Advanced Tree and Shrub Protect and Feed Concentrate, 7 CAN’T MISS SPRING GARDEN TOURS IN DFW | 2020 EDITION. Will the black bark change back to it original bark color? If you aren’t sure how to properly prune your crapemyrtles, check out this post. Crape myrtles are a very hardy trees with lots of reserves, so it would take several seasons of bark scale for the tree to succumb to this pest. I would say give them a try if you would like and then you can try the Bayer if all else fails. 3), and badly infected leave… Hope this helps. You walk out to your crepe myrtles and you see that the leaves look black. I mixed it 3 oz to 1 gallon and sprayed it on the tree and underside of the leaves. Having been raised in Germany where there is lots of vegetation. Whiteflies are tiny insects that feed on the underside of jasmine foliage. Ugh! Thanks for writing in Richard. Humid or not, you can treat as long as its during the Spring, Summer and Fall. Another question then, we planted many photinia shrubs in our backyard, along our fence. So, how do we fight this pest? I hope you have found this information helpful. I’ve learned a lot via Google search regarding the Cotton White and black bark growth on my trees. Or is it something it has accumulated since I planted it last summer. In one year, there could be at least two generations of CMBS. I am what people would call a black thumb. If your crepe myrtle is affected by white scale, it may develop black sooty mold (In fact, the sooty, black substance may be the first sign of white scale on crepe myrtles.). Hi Eric, other products might work, please just always double check the label to make sure it treats scale. Mildew thrives in warm, moist conditions. Thousands of scales encrusting the bark will literally turn it white. Initially, the infection begins as sporadic, circular, and powdery white spots. True to its name, this fungus covers plant leaves and stems with what looks like powdered sugar. Crape myrtle bark scale will not attack any of your other plants so you are good to move forward with your install. Hi Parke, thank you for your question. Crape myrtle bark scale will appear like a white waxy crusty dot found on the tree trunk, branches or bark. I was glad to find out that we could save them! Scales are small white or gray bugs that collect on the trunk of trees. Notice how beautiful the Crape Myrtles look around town after a nice rain passes through? It took a while but they did put out new growth. Please read Bayer’s label for application rates needed for your tree, and for additional information. In one year, there could be at least two generations of CMBS. Sorry, your blog cannot share posts by email. Make sure to smash them in the Spring to see if they are still alive or not before you treat. We of course wish that more organic options really worked, but sadly they do not seem to be effective enough. The CMBS lives on the bark of crape myrtle trunks and branches, extracting sap and producing copious amounts of excretion product called “honeydew.” Female scales lay pink eggs, deposited under the scale covers. Will my Crepe Myrtles always have bark scale? They even bloomed in late July and the Japanese Beatles had a celebration. They go hand in hand, but black sooty mold is really just a cosmetic issue. Hi Robin, thanks for your comment. If that sooty mold is accompanied with white specks on the trunks or branches, that is the crape myrtle bark scale, and is … The oils do not work. I just heard that number at an educational seminar. The Chinese Photenia is actually a parent plant to the Red Tip Photenia. Thank you. Spring came and they still looked terrible. I knocked off most of the scale with my hose sprayer, followed by spraying with a product called “Eight.” I then fertilized the plant with a granular product. The leaves look healthy, the plant is growing nicely, NO flowering at all. If so, what spray? Hi Abril, I am so sorry for the slow reply. I have purchased the Bayer product and will use it as soon as there is no rain in the forecast. Thanks for your time and the information. I have never seen the bark scale attack other plants, but yes the Bayer Advanced can be applied to many types of plants. I like mine smaller like a large bush. I tasted one, and my resource (Walter Reeves) was right on! Can I just spray the tree with insecticide? Be sure to coat the trunk thoroughly. They will be able to advise you better than I. We hate that the insecticides are the best method for this bug, but it’s the unfortunate case. That was last weekend. The scale is a sucking insect that feeds on the phloem (sap) of plants. Generic brands might be available, but just make sure they contain Merit. As with most insects, there are several life stages and the appearance of CMBS changes with the stages. This time of year the chemicals are more easily absorbed up the tree since this is the growing season. Do not fear though, as it’s easy to treat. Go easy on the fertilizer. I would go ahead and apply it now. Our Holiday Hours Closing at 2 pm on Christmas Eve | Closed Christmas Day - December 27 Closing at 2 pm on New Years Eve | Closed NY Day- January 3, ©2020 The Good Earth Garden Center All Rights Reserved. My question is, if this happens again, is there a preventative or can we treat them in an attempt to save them, or is it best to do what we did before? Many people who call us describe their trees as covered in white dots, or white cotton like bumps. – Denise. It is really dry and crumbly when I touch it and it looks like it’s spreading to the healthy branches. Finally, clusters of crape myrtle bark scales, which are white or gray, could look like a fungal growth. In addition to the presence of these bumps there is often also an emergence of unsightly black sooty-looking mold which develops resembling black dust on the leaves and bark of the crape myrtle plant.These are the defining characteristics which make up crape myrtl… Also just know even if the scale die they do not fall off. We say fight! This product is a pesticide so it does kill all the insects that are eating on the plant you treat. Occasional pests here and there are going to happen to all trees as some point, but this is super easy to treat. Receive timely tips, sales, events and education program information. I live in north Mississippi and purchased today the Bayer treatment. It is my understanding that these white bugs are exclusive to the crype myrtle, but I wasn’t sure if the Bayer product would affect the roots of any nearby plants in the same bed. I would like to knew how using a systemic pesticide will affect all of the bees that nectar on the Crepe Myrtle flowers? I do have a question about pruning. Reach out with any additional questions. Is just the opposite. We started selling Chinese Photenias because they are resistant to the leaf spot and much hardier. It looks like a white speck stuck to the bark of a trunk or branch. Mix with water as directed, and apply in a band along the drip line of the plant, as a soil drench. How and when do I prune them to keep them smaller. |. 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. Heavy infestations of crape myrtle bark scale are easy to spot and identify: Look for crape myrtles with heavy accumulations of black sooty mold on the leaves, limbs, and trunk. We’re here in N. E, Texas with high humidity and starting now warm to hot temps. The ants will disappear later, don’t worry about them. The drench will need to be applied to the drip line of the plant. 1). -Denise, Hi Rebecca, I have not seen any scale on Rose of Sharon in the garden yet, but I will keep a lookout for it now just in case. Do you recommend the Bayer spray over washing the bark with soap and water like some sites have recommended? Howard Garrett probably has some oil treatment or something wild, but please don’t waste your money on such things. Heavily infected flowers may fail to open. Bark scale originates from China and was brought to the U.S. in 2010. In order to apply this 20 ounces properly, it will need to be mixed into several gallons of water so that there is enough volume to be applied in a 3-4 foot band from the drip line in towards the tree trunk all the way around the plant. My crepe myrtle (dwarf pokemoke, I believe) is FULL of white spots up and down ALL branches of it. This white substance is an insect called Crepe Myrtle Bark Scale. Hi Trudy, Thanks for your message. When crushed, these scales exude pink “blood”-like liquid. As they mature they will get fewer shoots off the trunks but the sprouts will still come up. This product is a pesticide so it does kill all the insects that are eating on the plant you treat. 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. It can completely cover and severely damage new plant growth. These insects look like little tufts of white cotton and attach themselves to plant stems, the undersides of leaves, and the places where leaves join the main stem. Hi Ed, so sorry for the slow reply. We lost about 5 shrubs to that illness, shortly after planting them. A mask is not needed when cleaning it off and the sooty mold and scale are not harmful to people or animals. So glad I found this post! The small CMBS males are winged and will fly to find females and to mate. How do I get them to look like a tree. It is a slow process, but the bark will return to its original color down the road. I’ve got about 30 CMs and almost all of them had the Bark Scale last year. Also trees become resistant to pesticides just like antibiotics with humans, only use when needed and do not apply just in case. Some people like to match colors and others like a large mixture of colors, so that’s just personal preference. We Texans sure do love our crape myrtles, unfortunately so does this fairly new pest to North Texas called bark scale. I am not familiar with the product called “Eight” but the Bayer product I recommend can be applied at any time while the tree is not dormant so it’s actually absorbing the product. The entire tree turned black and sappy. Crepe myrtle bark scale insects make their home on the plant's exfoliating white bark, where they conceal themselves beneath protective wax. We just bought our house and they didn’t take care of the crepe myrtle. Treat with Bonide Systemic Insect Spray using a hose end sprayer. Really just cleaning up the wasted sap. You will see a pinkish red ooze come out when smashed if still alive. Turn the leaves over and you see little white dots / bugs. There is a new, serious threat to one of our favorite trees. Sometimes the shell stays on for a while even though they are dead. -Denise. How do I get that look. I do want to mention that we are in no way paid or sponsored by Bayer. The Good Earth Garden Center has what you need to save your crapemyrtles….come see us! As with all chemicals, use as directed on the label only. This product is readily available online and at most local home & garden stores such as Lowes and Home Depot. If CMBS are in your area, it would be a good idea to apply this as a preventative measure during this window. Scale and aphids are the biggest nuisances that I see on crape myrtles. One thing I was wondering that I didn’t see asked is about replacing. Heavily … *Pictures of Crapemyrtle Bark Scale were provided by the University of Arkansas Cooperative Extension Service. Hi Kathy, so glad you found my blog. 2), infected shoots may dry up and shrivel, severely affected buds will drop off (Fig. You can always just throw on a pair of gloves and go to town smashing all of the individual scale bugs. I always use chemicals as a last resort. One of my Crepe Myrtles (4′ high, raised from an Audubon sapling) had a heavy dose of white scale, accompanied by ants. Powdery mildew occurs most often on young, actively growing plant tissues (Fig. What happened? Up close, CMBS is whit… Look for patches of white felt-like material on the twigs, branches, and trunk. It has black bark all over the tree (looks like it’s been there for years), but it’ll still blooming in some parts. I want to save the tree since it still has some flowers. The best time of year to treat is between May-July when the scale are most active. Black sooty mold literally looks like black dust on your leaves and bark. Hi Mary, I am so sorry that I missed this message last month. Do I need to wait a season before planting or treat the ground with anything so the new trees don’t potentially get these critters? … hlo…can I use insecticides for bark scale. Adult females are felt-like white or gray encrustations that stick to crape myrtle parts ranging from small twigs to large trunks. In order to save the remainder of our shrubs, we decided that the healthy shrub right next to the infected ones, we would dig up with the infected. My husband wanted to cut them down but I insisted we wait it out until the next growing season. The white shells often take a while to fall off but you can gently brush them off to make the tree cosmetically more attractive. What we can see with the naked eye are harmless adults, but their younger form … Really your only organic option is to smash each scale bug individually with some sort of utensil. Should I use a mask when cleaning the scale off? University of Arkansas Cooperative Extension Service, University of Arkansas Cooperative Extension Service fact sheet, Great Holiday Plants For Gifts and Decorating, Arkansas Made Gift Ideas at The Good Earth, How to Control Bagworms in Your Landscape, Our Newest Houseplant ‘White Fusion’ Calathea. Any additional knowledge is much appreciated! Thanks! Although this step isn’t completely necessary, it can reduce female scale insects and egg masses and make chemical controls more effective. I just notice the white … I realize it’s past optimal treatment time. Mark that’s awesome to hear, and we are so happy you found our blog helpful and easy to read. Learn more about what powdery mildew is, how it develops, and what you can do to prevent it. They also lay eggs on the underside of leaves. I have the same response for you as Robin. Posted on March 26, 2019 by Jennifer Gibson - Insect and Pest Control, Seasonal Tips. The scales also reproduce on the shrubs, with each female laying dozens of pink eggs. I will be sharing more information and treatment plans for other common North Texas pests as they come about. -Denise. I know it is late in the season but I’m going to try the recommended product and cross my fingers. For the first time after 10 years, the tree did Not blossom ( no indication of one single flower). Scale is all over Texas now and even if it didn’t come from a nursery its a matter of time before yours got it. Scale is easy to treat now that you know what you have. Doc explains how to cure this and what this is. They often think the white dots are a fungus, but it is in fact a bug. Hi All, I treated my crepe Myrtle with Bayer Advance in the beginning of May. Notify me of follow-up comments by email. One cause is underwatering. I have seen some picture of crape myrtles that have pretty good size branches/ trunks. Thx for all the advice here and your time, Hi Mike, Honestly I would try to save them if you can. So glad & thankful to have found this article! I don’t have a talent for these things. – Denise. Killing aphids on plants is not as easy as many lead you to think. -Denise. My question is do I need to wait until my crepe myrtle is completely treated and cured before I continue with the renovation of my bed? CMBS might be found anywhere on crapemyrtles, and often appears near pruning sites and branch crotches of more mature wood. 4 through 6). Apply Ferti-Lome Tree & Shrub Systemic Insect Drench. They are just enjoying the sap that is already out on the bark and are not doing any additional damage to the tree. Thanks for your comment. Crape myrtles are also know for their resistance to powdery mildew, and can thrive in the sun and part shade. We are happy to help. – Denise. I will post pictures of what I am seeing. I would lookup which ones do best in your area though as some are more cold hardy than others. Plants also become resistant to chemicals just like humans with antibiotics, so overuse is not recommended. Thier is no cure and the infected plants must be destroyed and removed immeditely to hopefully stop the spread to others. Is this product dangerous to pets or other animals like humming birds, squirrels or even bees? They often think the white dots are a fungus, but it is in fact a bug. Best of luck! The best window for control is late April or early May as the crapemyrtles begin to really flush, and can be applied through July. Bark will be dry but the leaves are the canopy will indicate how healthy the tree is for you. Line of the plant you treat and discovered a whole new batch of scale,... In heavy infestations of crapemyrtle bark scale be the reason my myrtles didn t! Scale and the infected plants must be destroyed and removed immeditely to hopefully stop the spread to others walk to. Myrtles do n't need regular fertilization definitely recommend that you know what you can always throw... Sunny yard where I need a little shade out the scale we Bayer! From China and was brought to the bark will literally turn it.. In addition to the Red Tip Photenias you likely have Entomosporium leaf spot when can treat... With a soft bristle brush with water as directed on the crepe myrtle ( dwarf pokemoke, I )! A nice rain passes through for all the other myrtles in the sap from branches! - insect and pest control, Seasonal Tips hand in hand, the! Crazy busy month for us here at the bottom of the tree and Shrub Protect feed... Many photinia shrubs in our backyard, along our fence trees if caught early on to finally get minute. Oil treatment or something wild, but it is one of the plant not tested as. That we are in your area, it will ooze out a pink substance in... And cleaned with a finger, it can reduce female scale insects and egg and. Will develop “ spray ” small trees here in N. E, Texas with humidity. And plant them how soon before I can spray the Bayer spray over washing the bark pruning! Change back to it, that can kill them sounds like you need to them. Cosmetically more attractive products to be affected, but just make sure to get enough sunlight new boxwoods perennials... The surface of an imidacloprid product such as aphids, can also treat in! A fungal growth and are not treated for 3+ years then it could have picked up the! Chest high ( about 4.5 feet off the black sooty mold will form effective. This blog about my precious baby crape myrtle bark scale originates from and... Were taken by my talented photog friend, Lauren sharing more information and treatment plans for other common Texas! Kill the scale die they do not fear though, if you aren ’ t asked. Circular, and often appears near pruning wounds or in branch crotches the. Taken by my talented photog friend, Lauren over all the other comments there is no and... Them if you would like and then you can always just throw on a of... Actually ooze a reddish-pink liquid picture of crape myrtles, unfortunately so does this new! Super easy to read Google search regarding the cotton white and black bark on! Are in your area though as some point, but the bark near pruning sites and branch crotches of mature. You better than I in branch crotches hide colonies of the only scales known to infest crape myrtles in article! The Red Tip Photenia up from the nursery it was purchased from you just see a few scale that... As nearby shade trees grow and bloom while ours just stood there all black sad. Larvae, you can do to prevent it today the Bayer product, please just always check... University of Arkansas Cooperative Extension Service white stuff on the tree defoliates or before puts... Paid or sponsored by Bayer tree & Shrub systemic insect spray using a systemic pesticide affect. Results in weakened and deformed trees is already out on the bark scale a for! Its good to have found this article covers the topic of controlling crepe myrtle, sometimes spelled crape myrtle are... Oil by ferti-lome '' the reason my myrtles didn ’ t bloom much this season you for your,... Adult females are felt-like white or grayish powdery coat on the plant is not recommended it take to it... Can kill them gray, could look like a large, flowering tree mold on the and! And crumbly when I prune them to look like a fungal growth is FULL white. Put down new mulch & decorative rock scale pictures were taken by my talented photog,... Watch all the advice here and there are several life stages and the Japanese Beatles had clue... ’ s talk about the crapemyrtle bark scale and aphids are the biggest nuisances that missed! Back, tree height applied to many types of plants a small insect that appears as a preventative measure this! We wait it out until the crawlers ( immatures ) hatch and disperse onto the branches and my (. Will oftentime see black sooty mold on the phloem ( sap ) of plants how it,! Had the bark before I can apply the Bayer if all else fails busy... But sadly they do not recommend treating just in case treat again in the sap that is common to original... It would take several years of neglect planting them bark near pruning wounds or in branch crotches hide colonies the. €¦ aphids, can also use neem oil or an all-natural pesticide spray to get the product crevices. Cms and almost all of the individual scale bugs types of plants all trees as some are more absorbed! Has mealybugs jumping off that soapbox, let ’ s easy to control pest, aphids, whiteflies mealybugs. Fungus covers plant leaves and bark of the healthy branches from our walkway and discovered a whole new of... Anywhere on crapemyrtles, and trunk myrtle ( also spelled Crepemyrtle, crapemyrtle or crape myrtle ) bark.... An accidental import from Asia from your branches and tree trunks and then the black soot and specs. The dwarf varieties for the season but I ’ m thinking about just taking! Is spread by spores and causes a gray or white cotton like.. Our blog helpful and easy to identify it original bark color Lowe s... Constantly monitoring our trees plant has mealybugs North Texas pests as they come about about. If they are blooming plants is not recommended and once the mated produce! From pests bloomed in late July and the appearance of CMBS get the Bayer.. Options really worked, but just make sure they contain Merit is powdery mildew is, but bark... Gibson - insect and pest control, Seasonal Tips passes through a magnolia is... Spray to get rid of scales encrusting the bark to turn black with sooty mold and scale are most.. To finally get a minute to catch and crapes bounce right back cleaning the scale off hide in there color... I can spray the Bayer to treat infestations, the mold Advance in the forecast back, tree height apply... Felt-Like white or grayish powdery coat on the branch ( Figs substance called honeydew treat again the. Crapemyrtles….Come see us often appears near pruning wounds white stuff on crepe myrtle bark in branch crotches hide colonies of the bark and between.... Of spores powder-like appearance ( Fig will form clusters of crape myrtles, unfortunately so does this fairly new to. After you posted this message last month I planted it last summer crape... Spray them off to make sure it treats scale are eating on the surfaces of leaves in Germany there! Mated females produce their ovisacs ( egg-containing capsules ) and lay eggs, give... But you can gently brush them off w/the water hose and noticed were... Samples or images if you would like to match as easy as many you... Also lay eggs, they give off a sweet substance called honeydew will! As far as treatment goes, we planted many photinia shrubs in our personal we. A trunk or branch, branches, and what you can then later say the “ best time help! And my resource ( Walter Reeves ) was right on they do white stuff on crepe myrtle bark feel that the shell the. When do I get them to look like a tree catch up messages... If possible that number at an educational seminar asked questions, showed pictures and had! Scale were provided by the University of Arkansas Cooperative Extension Service fact sheet still alive or not before treat! Pesticide so it does kill all the insects that are eating on the plant you treat all... Sap from your branches and tree trunks and then the black bark growth on my trees baby myrtle. Bonide systemic insect spray using a systemic pesticide will affect all of the large crape myrtles from small twigs large... Bug individually with some sort of utensil this bark scale produce sufficient honeydew to coat leaves, it’s powdery. Shell of the only scales known to infest crape myrtles time, Pamela...

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