A rust (fungus) disease, Coleosporium plumeria, defoliates many varieties every year. Top photo: The rust disease coats the underside of the leaf with orange pustules and causes leaves to turn yellow, then brown and rapidly defoliate in… Read More
LAWNS, GARDENS, and LANDSCAPES ….. Florida Friendly Landscaping, Master Gardeners, Green Gazette. Florida Friendly Landscaping Master Gardeners Green Gazette Home Owners History Commercial Properties & Community Assoc Master Gardener Guidelines Master Gardener Plant Clinics Click here to view… Read More
Saturday, October 20, 2018 10:00 -11:00 AM Dr. Doug Caldwell, Commercial Horticulture & Landscape Entomologist………… “ Trees & Hurricanes: Lessons from Wilma and Irma” 11:00 – 12:00 PM Twyla Leigh, County Extension Director………. “ Orchids 101” 1:00PM –… Read More
This Plating calendar was compiled by Donna Glembin, Collier County Master Gardener and Isabel Way, FYN and MG Coordinator. Happy Gardening! Crop/Month Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Beans (bush) X X… Read More
If you have queen or king sago plants then you have or will have to deal with the Asian sago scale which arrived in south Florida in 1999 or thereabouts. Please info here: click on fact sheet and… Read More
If your palms look wilted, off-color and are dying, check for conks (shelf-fungus) at the base of the trunk. The conks are the give-away clue that it has ganoderma butt rot disease. It is frequently found on queen… Read More
This year, I’ve had more calls about roaming “worms” before rainy season than ever before (usually they move inside a few weeks after rainy season stops). “What are all these crunchy worms on our lanai and side walls and in… Read More
Royal Palm Bug (Xylastodoris luteolus) Attacks New Growth, Spear Leaf Fronds and Leaflets. Neonics are Effective for Royal Palm Bug Control.
Above: Royal palm bugs and fecal spotting in unopened frond. Find publication here: http://blogs.ifas.ufl.edu/collierco/files/2018/03/Royal_Palm_Bug_mgmt_Caldwell__Ali_FSHS_proceedings1.pdf Damage by the royal palm bug is most severe in spring and early summer. The populations then apparently subside until the following spring … Read More
Florida Native Shrub, Florida Swampprivet, Has Plant Bug Pest (Miridae) that was Discovered in 2010-2011.
The gooey, shmear spotting is the plant bug excrement. When scouting, you may not see the insects, but their spotting gives them away. Tropidosteptes forestierae (Hemiptera: Heteroptera: Miridae: Mirinae): A New Species of Plant Bug Injuring Ornamental Florida… Read More
Geiger tree (Cordia sebastena) Top Left to right: Adult beetle; larval skeletonizing damage and; slimy, gross larvae and feeding damage. Egg cluster of the beetle (all photos by Doug Caldwell). Geiger tree (Cordia sebastena) foliage is… Read More