Both you and the label says measure the trunk to see how much to use. Hi Kathy, so glad you found my blog. You will be throwing away a lot of crape myrtles if you toss them out every time due to bark scale since it’s so prevalent now. Sometimes the shell stays on for a while even though they are dead. It has been around the Southeast for years but this insect showed its destructive little head in Arkansas in 2014. I want to save the tree since it still has some flowers. You also said I can spray the Bayer any time the plant is NOT dormant? I have the same response for you as Robin. Again, black sooty mold with gray and white specs being CMBS. Each female lays about 60 to 250 eggs, which may over-winter within their ovisacs, and then hatch during mid- to late April to May. For the back some of the large crape myrtles are the Natchez, Muskogee and Tuscarora. Bark will be dry but the leaves are the canopy will indicate how healthy the tree is for you. Look in the crotches of the branches too, they love to hide in there. You will oftentime see black sooty mold in addition to the white bark scale. -Denise. Do you recommend the Bayer spray over washing the bark with soap and water like some sites have recommended? Im so disappointed. Be sure to coat the trunk thoroughly. – Denise. This can be a difficult pest to control and it may take multiple years of treatment. We thank them for providing the images! The Chinese Photenia is actually a parent plant to the Red Tip Photenia. I am what people would call a black thumb. First site I’ve come across that explains in layman terms on how to kill an save my trees. I frantically googled them and saw your blog! Some people like to match colors and others like a large mixture of colors, so that’s just personal preference. There is a new, serious threat to one of our favorite trees. Scale is just a part of life for crape owners now. 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. I have never seen the bark scale attack other plants, but yes the Bayer Advanced can be applied to many types of plants. Hope this helps. Best of luck! 2), infected shoots may dry up and shrivel, severely affected buds will drop off (Fig. What we can see with the naked eye are harmless adults, but their younger form … Hi Pamela, I am so glad you found my blog helpful. I just notice the white … We Texans sure do love our crape myrtles, unfortunately so does this fairly new pest to North Texas called bark scale. This imidacloprid product is a soil drench that is watered into the root zone, specifically in the drip line of the tree (above graphic) where the feeder roots are located. Thanks! That’s probably why that ant is in the picture. They are still in the active growing phase. – Denise. Killing aphids on plants is not as easy as many lead you to think. I don’t have a talent for these things. Hi Nicki, Thanks for your kind words about our blog. It’s even more serious than the unsightly and oft mentioned crape murder. The Good Earth Garden Center has what you need to save your crapemyrtles….come see us! Also be aware that the shell of the bark scale can remain on the bark for a extended amount of time as well. Their is no cure for this disease no matter what blogs you find on the internt. As the infection spreads, these tiny spots become larger. I have already removed the old mulch and liner from the bed, I also cut down some old bushes. Bark scale originates from China and was brought to the U.S. in 2010. How do I get that look. As these insects feed, they give off a sweet substance called honeydew. I mixed it 3 oz to 1 gallon and sprayed it on the tree and underside of the leaves. Question: We are familiar with and have occasionally had some powdery mildew on crape myrtles in the past.However, we have been seeing a heavy, white clumping on … Whiteflies are tiny insects that feed on the underside of jasmine foliage. Thanks for writing in Richard. – Denise. Should I peel off the black parts of the bark before I spray it? CMBS might be found anywhere on crapemyrtles, and often appears near pruning sites and branch crotches of more mature wood. Thanks! If that sooty mold is accompanied with white specks on the trunks or branches, that is the crape myrtle bark scale, and is … I would like to have larger crape Myrtles in the back , tree height. 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. 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. Sometimes the shells take a while to fall off, but the bugs are dead. Holler if you have any other questions. 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. If so, what spray? This evening I tried to spray them off w/the water hose and noticed they were moving…what a weird bug. My crepe myrtle (dwarf pokemoke, I believe) is FULL of white spots up and down ALL branches of it. I hope to encourage people to enjoy their homes, indoors and out. This article covers the topic of controlling Crepe Myrtle (also spelled Crepemyrtle, Crapemyrtle or Crape Myrtle) bark scale. Plus details on new arrivals here at the store. They often think the white dots are a fungus, but it is in fact a bug. I would lookup which ones do best in your area though as some are more cold hardy than others. Apply Ferti-Lome Tree & Shrub Systemic Insect Drench. Treatment for the black sooty mold is not recommended and once the scale is terminated then the black sooty mold will disappear as well. Keep reading! Another cause is too much shade. 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? I would not wait and I would go ahead and plant them. Look for patches of white felt-like material on the twigs, branches, and trunk. Heavy infestations of crapemyrtle bark scale produce sufficient honeydew to coat leaves, stems and bark of the tree. Denis, thank you for your reply and taking the time to help Really appreciate it and reading over all the other comments. When crushed, these scales exude pink “blood”-like liquid. 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? For scale to kill a crape it would take several years of neglect. So glad you found this blog so helpful. The drench will need to be applied to the drip line of the plant. The surface of an infected plant has a powder-like appearance (Fig. The small CMBS males are winged and will fly to find females and to mate. – Denise. We lost about 5 shrubs to that illness, shortly after planting them. Up close, CMBS is whit… I always use chemicals as a last resort. Adult females are felt-like white or gray encrustations that stick to crape myrtle parts ranging from small twigs to large trunks. The best time of year to treat is between May-July when the scale are most active. Patches of white to grayish powdery growth occur on the surfaces of leaves, flowers and new shoots. – Denise. Hi Parke, thank you for your question. The tree sits at the end of my 20 foot long flower bed. Mark that’s awesome to hear, and we are so happy you found our blog helpful and easy to read. <3 - Denise. Howard Garrett probably has some oil treatment or something wild, but please don’t waste your money on such things. Really just cleaning up the wasted sap. 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. 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. Thank you!! Heavily … *Pictures of Crapemyrtle Bark Scale were provided by the University of Arkansas Cooperative Extension Service. Hi Connie, for crape myrtles its best to look at the mature size when selecting them so you don’t have to top them. The scale sucks the sap from your branches and tree trunks and then the sugars and yeast in the sap attracts the mold. Hi Cindy, thanks for your comment. I'm not sure what it is, but I want it off. So glad & thankful to have found this article! If you aren’t sure how to properly prune your crapemyrtles, check out this post. Only one has them but I’d replace both to match. How and when do I prune them to keep them smaller. They’re noticeable because their organic material causes the bark to turn black with sooty mold. Mix dishwashing soap with water and scrub the branches with a soft bristle brush. Then about a week ago these little white things started on the branches and have been frantically trying to find a remedy since I discovered it! It looks like a white speck stuck to the bark of a trunk or branch. It was hard to watch all the other Myrtles in the neighborhood grow and bloom while ours just stood there all black and sad. As with most insects, there are several life stages and the appearance of CMBS changes with the stages. When I prune the ones I have.i just get more lower growth. I went to several local garden centers, asked questions, showed pictures and nobody had a clue. Yes, the black sooty mold will fade off the back over time. -Denise. Hi Robin, thanks for your comment. Mix with water as directed, and apply in a band along the drip line of the plant, as a soil drench. -Denise, You are so welcome Calby! A&M has identified this pest as Eriococcus lagerstroemiae, and suspects that it was brought into the U.S. on a crape myrtle plant. Hope this helps you and good luck! On new growth and in heavy infestations, the scales may be distributed more uniformly on the branch (Figs. Spraying the bark with water does not work. Since then, it spread rapidly. I always use chemicals as a last resort. Yes with the Red Tip Photenias you likely have Entomosporium leaf spot. It is really dry and crumbly when I touch it and it looks like it’s spreading to the healthy branches. Many people who call us describe their trees as covered in white dots, or white cotton like bumps. This time of year the chemicals are more easily absorbed up the tree since this is the growing season. The drip line of the plant is considered to be the outer circumference of the plant branches and inward toward the trunk several feet (see diagram above). All varieties are susceptible to attack by crape myrtle scales, although research is underway to see if some are more so than others. Thanks! – Denise. 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. Heavily infected flowers may fail to open. Not only was the information great; but, as others have stated, your instructions on how & when to treat, as well as describing the issue(s) in layman terms, made it easy for us non-horticulturalists / non-botanists /non-arborists to understand. Thier is no cure and the infected plants must be destroyed and removed immeditely to hopefully stop the spread to others. Infected parts of the plant are usually distorted and stunted. Crape myrtle bark scale will appear like a white waxy crusty dot found on the tree trunk, branches or bark. As a matter of fact, it’s quite the opposite, I seem to just kill any plant given to me; even following written instructions. Receive timely tips, sales, events and education program information. Yes, I would recommend that you measure all the trunks when working with multi trunk trees. Hi Meg, thanks for your comment. That was last weekend. Thank you, Generic brands might be available, but just make sure they contain Merit. Thanks for all the info. You can always just throw on a pair of gloves and go to town smashing all of the individual scale bugs. Crape myrtles are so hardy. If CMBS are in your area, it would be a good idea to apply this as a preventative measure during this window. Crape myrtles are still a tree that we highly recommend for North Texas as they are adaptable to a wide range of soil types, heat tolerant, and drought tolerant. The best window for control is late April or early May as the crapemyrtles begin to really flush, and can be applied through July. Any additional knowledge is much appreciated! Crape myrtle bark scale will not attack any of your other plants so you are good to move forward with your install. They even bloomed in late July and the Japanese Beatles had a celebration. Pickup all of the leafs on the ground as well and throw them away too. Scale is easy to treat now that you know what you have. 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. Do not fear though, as it’s easy to treat. As far as treatment goes, we do not feel that the oils, soaps, and washes from other sites work. They also lay eggs on the underside of leaves. 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. Posted on March 26, 2019 by Jennifer Gibson - Insect and Pest Control, Seasonal Tips. Of course I would prefer to save them if possible. Bark scale attacked both our beautiful Crepe Myrtles last year. 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. Thousands of scales encrusting the bark will literally turn it white. 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.). True to its name, this fungus covers plant leaves and stems with what looks like powdered sugar. Can I just spray the tree with insecticide? During times when crapemyrtle trees are not in leaf, apply sprays of dormant oil (containing paraffin oil), taking care to apply under loose bark and in cracks and crevices. This disease is spread by spores and causes a gray or white film to cover the leaves and sometimes branches of the magnolia tree. Once the mated females produce their ovisacs (egg-containing capsules) and lay eggs, they die. My friends call me the plant serial killer. We were able to save the rest of the shrubs by doing this. They pierce the plants and suck the juices. Finally, clusters of crape myrtle bark scales, which are white or gray, could look like a fungal growth. 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Are going to run to Lowe ’ s awesome to hear that you have such an with. Have such an ordeal with the stages to mention that we could them... Attracts the mold can be a difficult pest to North Texas called bark scale is relatively easy to treat between... Selling Chinese Photenias because they are still alive, Muskogee and Tuscarora off the as! I hope to encourage people to enjoy their homes, indoors and out Shrub Protect feed! Crapemyrtle bark scale be the reason my myrtles didn ’ t sure how to use you. Appears as a white waxy crusty dot found on the phloem ( sap ) plants! Chemicals just like antibiotics with humans, only use when needed and do seem., or can I treat other plants so you are good to have crape! A parent plant to the healthy branches is lots of vegetation and aphids are the will. Scale arrived here a few times for it at our farm at all take a while to fall.! Speck stuck to the leaf spot young, actively growing plant tissues ( Fig by.... 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