ENH1138, a 5-page illustrated fact sheet by Gary W. Knox and Edward F. Gilman, addresses this controversial aspect of crapemyrtle maintenance, providing recommendations based on UF/IFAS research clarifying the effects of various crapemyrtle pruning practices. Includes references. Published by the UF Department of Environmental Horticulture, September 2009.
Gilman, E. F., and G. W. Knox. 2005. Pruning type affects crape myrtle. Journal of Arboriculture 31:49-54. https://doi.org/10.48044/jauf.2005.006
Gilman, E. F., G. W. Knox, and P. Gomez-Zlatar. 2008. Pruning method affects flowering and sprouting on crapemyrtle. Journal of Environmental Horticulture 26(3):164-70. https://doi.org/10.24266/0738-2898-26.3.164