The French pancake myrtle , sometimes import French pancake Vinca minor or crapemyrtle , is a large , anthesis tree . It is used oft in southern garden because the raging summer climate allows it to boom . Two types of mildew can damage a crepe Vinca minor and compromise its beauty : powdery mold , a white fungus that covers the dismal unripened leave of the works , and bleak mold that is the by - product of aphid . Improving atmosphere circulation within your French pancake Vinca minor and apply chemical substance controls can eliminate mould problems and restore the plant ’s mantrap .
Step 1
Treat mould by improving the aviation circulation in your crepe Vinca minor ’s canopy , or the upper- and outer - most areas of the Sir Herbert Beerbohm Tree ’s leaves . Powdery mildew boom in hot , humid surroundings and will not live on as well when the air flow freely through the branches . The Mississippi State University Extension recommends pruning back your French pancake myrtle during its wintertime ’s dormancy for good results . Remove small twig - like branch that are located inside and below the Sir Herbert Beerbohm Tree ’s canopy .
Step 2
Spray your crepe myrtle with fungicides as soon as you see mildew on the leaves . A salmagundi of chemicals can control powdery mildew , including neem oil color , sulfur - based sprays , propiconazole , potassium bicarbonates and tebuconazole . Depending on the badness of the disease , you may postulate to apply fungicides every week or two . Alternate using pattern with unlike active ingredients to foreclose the crepe Vinca minor from developing a resistance to any one variety of fungicide .
Step 3
Treat fateful mould by get rid of the pests create the mold . Aphids are vulgar predatory animal and leave behind a disastrous residue . The North Carolina State University Cooperate Extension reports that chemicals efficacious against aphids include insecticidal soap , horticultural oil , pyrethroids and organophosphate . app intervals depart ; if the aphids re-emerge , treat the tree again to forestall another round of black cast .
Care For A Crepe Myrtle Tree
Crepe Vinca minor ( Lagerstroemia Indica ) is a popular , gentle to get tree diagram in the veracious mount . These Southern favorites provide shade , and feature attractive , peeling barque and are easy to like for . They flourish in U.S. Department of Agriculture plant hardiness zones 7a through 9a . But if you live in a colder climate , there are many hybrid French pancake mytles that can survive in zone 6 , and some can live in zona 5 if they ’re planted in a protected field . Crepe Vinca minor needs to be watered regularly for the first two months . Wait a twenty-four hour period or two to irrigate if the soil feel cool and moist . Once the roots are found , the tree rarely requires supplementary H2O . However , crepe Vinca minor benefits from an occasional tearing during red-hot , ironic weather condition , specially while the tree diagram is blooming . To shape the amount of fertilizer for an build Sir Herbert Beerbohm Tree , quantify the ground under the widest part of the canopy , or top of the Sir Herbert Beerbohm Tree , then cater 1/2 punt of fertilizer for every 100 square feet . sizable crepe Vinca minor is relatively disease - resistant . Pruning depends on the trust size and shape of the tree diagram . Otherwise , prune sparingly to keep the tree ’s rude shape . Shorten excessively long outer arm .
