Educating with Extension Newsletters

Each month, the Extension Service publishes a newsletter about its exciting programs and events both past and upcoming. See what we are doing and how you can become involved. 

For our September 2019 newsletter, we featured an article written by our Environmental Horticulture Agent, Michelle Leonard-Mularz, Herbicide Damage to Woody Plants:

Herbicide damaged buttonwood. photo credit Michelle Leonard-Mularz"What is killing my trees? This has been a common thread of some calls our office, and other departments within the County, have received recently. Distorted growth, severe stunting, and shoot proliferation have all been reported on mature Gumbo Limbo’s and Buttonwoods. Initially, the problem appears to be Witches Broom, though these cases are far worse than normally encountered. Witches broom is an unusually dense and compact cluster of growth within individual shoots, and can be caused by a number of factors including mites, viruses, nematodes, or insects. Typically, it is more of an aesthetic problem and does not cause death to plants; nor is it widespread throughout a landscape..."

To read the article, and find events and programs of the Extension Service, check out the September 2019 Newsletter

If you, or someone you know, would like to begin receiving these newsletters, please contact Liz Yongue, at or (305) 292-4501. 

Hard copies are available upon request.

An Equal Opportunity Institution. UF/IFAS Extension, University of Florida, Institute of Food and Agricultural Sciences, Nick T. Place, dean for UF/IFAS Extension. Single copies of UF/IFAS Extension publications (excluding 4-H and youth publications) are available free to Florida residents from county UF/IFAS Extension offices.