fertilizing crepe myrtles - Knowledgebase Question

Cape Coral, FL
Avatar for merlotsmom
Question by merlotsmom
June 15, 2007
I have a red crepe myrtle (about 7' tall)that I bought late last summer. It has a couple blooms on it right now. I've never fertilized it because I don't know what to use. What should I feed it, how often and when?
Thank you.

Answer from NGA
June 15, 2007
Crape myrtle blooms on new wood of the season so after the blossoms fade, prune it back a bit to encourage new shoots which may flower for you later this summer.

A complete general-purpose garden fertilizer -- such as 8-8-8, 10-10-10, 12-4-8 or 16-4-8 -- is ideal for crape myrtle. To newly planted small plants (1-gallon size), apply 1 teaspoon of fertilizer monthly from March to August along the perimeter of the planting hole. Larger, established plants will benefit from one broadcast application of fertilizer in spring. Apply 8-8-8 or 10-10-10 at a rate of 1 lb. per 100 sq. ft. or 12-4-8 or 16-4-8 at a rate of ? lb. per 100 sq. ft. Avoid over-fertilization because it causes excess growth and reduced flowering. The best time to fertilize is just before a rain. Otherwise, water in the fertilizer after application with irrigation.

Best wishes with your landscape!

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