About DOUG CALDWELL
BiographyDoug Caldwell, Ph.D., is the commercial landscape horticulture extension educator and landscape entomologist with the University of Florida Collier County Extension Service. E-mail firstname.lastname@example.org; phone, 353-4244, ext. 203, or visit: collier.ifas.ufl.edu.
- Columnist - At Home
12/22/2007 - current
DOUG CALDWELL: Spiraling whitefly hungry, but not here — yet
Published 07/07/2011 at 11:25 a.m.
In some horticulture circles one hears that native plants have fewer pests than other ornamental plants. This may have been true 50 years ago, but with all of the international trade and commerce, we constantly have new foreign pests, and ...
Doug Caldwell: Hong Kong orchid trees have pretty, long-lasting flowers
Published 03/14/2014 at 4 a.m.
Doug Caldwell, Ph.D. shares his thought on using the Hong Kong Orchid tree.
Doug Caldwell: Add color to your landscape with flowery trees
Published 10/18/2013 at 8 a.m.
Learn the value of flower trees at an upcoming seminar at Naples Botanical Garden.
Botanical garner Gene Joyner to share fruit-growing expertise
Published 09/27/2013 at 4 a.m.
Learn how to grow avocados, star fruit, bananas, mangoes and other fruit at a seminar on Saturday, Sept. 28.
Dogs and koi fish might die if they come in contact
Published 09/13/2013 at 4 a.m.
Cane toads are plaguing SWFL.
Crotons, exotic soft scale insects, are plaguing our plants
Published 07/12/2013 at 4 a.m.
Crotons are growing everywhere in Southwest Florida. Doug Caldwell shares his take on the plant.
EXTENSION COLUMN: Citrus greening disease plagues homeowners
Published 04/18/2013 at 1:20 p.m.
Doug Caldwell offers advice on citrus greening for the Naples Daily News.
DOUG CALDWELL: Fungus causing rust disease in cassia trees
Published 01/25/2013 at 4 a.m.
Doug Caldwell writes for the Naples Daily News.c
Extension Column: Cold weather culprits: downey mildew and turf disease
Published 11/16/2012 at 4 a.m.
Doug Caldwell writes about cold weather landscapes.
Region's toxic cane toad can be a dog and koi killer
Published 09/27/2012 at 10 a.m.
Cane toads are wrecking havoc on Naples langscapes.
DOUG CALDWELL: Our plants are under attack
Published 05/17/2012 at 2 p.m.
Doug Caldwell, Ph.D., helping you beautify your landscape and protect the environment, is the commercial landscape horticulture extension agent and landscape entomologist with the University of Florida Collier County Extension Service.
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