Collier County Extension
Professional Horticulture
Local Fact Sheets

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A
Acacia (pdf 170kb)
Annuals of Florida (pdf 160kb)(see also Bedding Plants)
Annuals - Gardening with Annuals in Florida (2.63mb)
Annual Variety Trial Research Reports (link)
Asian Cycad Scale (pdf 299kb)   #2 (pdf 355kb)
Asian Cycad Scale - beneficial insects (pdf 261kb)
Asian Cycad Scale Devastation (pdf 297kb)
Asian Cycad Scale Research Updates (pdf 320kb)


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B
Bald Cypress (pdf 166kb)
Ball Moss (pdf 110kb)
Bark Beetle
Bark Lice
Bedding Plant Selection, Establishment and Maintenance (pdf 77kb)(see also Annuals)
Bedding Plants for Southwest Florida (pdf 72.2kb)
Bees, Carpenter (pdf 159kb)
Best Management Practices for the Green Industry (pdf 1.15MB)
"black olive" tree (pdf 573kb)
Blanket Flower or Gaillardia (pdf 1.04 mb)
Blister Gail Wasp Defoliates Cuban-laurel (YouTube)
Blue Porter Weed (pdf 63kb)
BMP Ordinance for Fertilizers - Newspaper Article - Naples, March 2008 (pdf 20kb)
    Actual Ordinance - final version (35kb)
Boron Deficiency (pdf 802kb)
Bougainvillea Chewers (D Caldwell, 2015)
Bougainvillea - Right Plant - vines into shrubs- not! (pdf 920kb)
Brazilian Cherry (pdf 279kb)
Brown Patch in St Augustine (pdf 103kb)
Brown Patch Turfgrass (pdf 548kb)
Brown Spots in - Large (brown) patch disease and crabgrass winterkill (YouTube)
Bucida "black olive" caterpillar (654kb)


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C
Cabbage Palm Disease (pdf 73 kb)
Caladiums & The Caladium Festival (YouTube video)
Cane Toad (pdf 1.03mb)
Caterpillars
    "black olive" tree (573kb)
    Fall Webworm (pdf 166kb)
Chewing Lubber Grasshoppers Devour Crinum Plants and More (D Caldwell, 2015)
Chewing - SriLanka Weevil (pdf 880kb)
Chickungunya or Mosquito-Borne Disease
Chili Thrips
Citrus
    Citrus Greening (pdf 126kb)
    Citrus Greening Disease:  Short-term or high maintenance   relationship (pdf 220kb)
    Citrus Leafminer Distorts Foliage (D Caldwell, 2015)
    Citrus Problems In The Home Landscape (pdf 3120kb)
    Citrus Psyllid  (pdf kb)
    Citrus Psyllid Greening
Clerodendrum Incisum Macrosiphon (369 kb)
Cold Weather Damage to Palms (163kb)
Cold Weather Palm Problems, by Broschat and Elliott (1.39MB)
Color Rotation (pdf 234kb)
Commercial Nursery Insect Management Recommendations (pdf 52kb)
Condo Mangos (pdf 309kb)
Copperleaf (pdf 565kb)
Crabgrass - Large (brown) patch disease and crabgrass winterkill (YouTube)
Crabgrass Management (pdf 722kb)
Cirnum Chewers (pdf 423kb)
Croton Scale - A New Exotic Soft Scale Insect (pdf 192kb)
Croton Scale - Updated (pdf 1.11MB)
Cuban Treefrogs (pdf 206kb)
Cuphea Chewers
Cycad Aulacaspis Scale

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D
Diagnosing Plant Problems - 10 Steps (pdf 65kb)
Diseases 
    Branch tip die-back of oaks UF/IFAS 2015 (pdf 661KB)   
    Downy Mildew on Impatiens (pdf 496kb)
    Downy Mildew on Impatiens (link)
    Downy Mildew Warfield - Fungicide trials (pdf 193)
    Downy Mildew Wiping Out Impatiens (WBBH 2-14-12)
    Eugenia and Simpsons stopper dieback disease, Dr. Palmateer's Report (March 2010) (pdf)
    Dr. Palmateer's Pictures of Eugenia and Simpsons stopper dieback disease (pdf 1423kb)
    Guava rust and Viburnum Downy Mildew (pdf 919kb)
    Indian Hawthorn Resistance to Entomosporium Leafspot disease (pdf 333kb)
    Senna Rust Disease (pdf 895kb)
     Viburnum Downy Mildew (pdf 608kb)

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E
Eugenia and Guava rust and Viburnum Downy Mildew (pdf 221kb)
Eugenia: Wax Scale (YouTube video)


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F
Fall Webworm on Bald Cypress (pdf 166kb)
False Smut Disease in Palms (pdf 100kb)
Fertilizer
    Fertilization Recommendations (pdf 158kb)
    Fertilization Responsibility (pdf 119kb)
    Fertilizer BMP Ordinance - Newspaper Article - Naples, March 2008 (pdf 20kb)
        Naples Ordinance,3-5-08 - final version (35kb)
    Fertilizer Ordinance - Collier County 8-9-11 (pdf 6.87kb)
    Fertilizer Ordinance - FL Dept of Environmental Protection, Oct 2010 (pdf 168kb)
    Fertilizing - Florida-friendly Guidance Models for Ordinances,
        Covenants, Restrictions (pdf 602kb)      
    Ixora
    Shrub Fertilization Recommendations (pdf 151kb)
    Turf Research Cisar 1999
 

Ficus Tree Attack (pdf 638kb)
Ficus Nesting Whitefly, A New Pest (pdf 381kb)
Ficus Whitefly Defoliating Ficus (pdf 191kb)
Ficus Whitefly Management and Biocontrol Identification (pdf 534kb)
Fig whitefly (pdf 196kb)
Firebush, Alternatives for ficus hedges (644 kb)
Flatworm - New Guinea Land Planarian, by Dr. Bill Kern
Florida Exotic Pest Plant Council's 2011 List of Invasive Plant Species (pdf 646kb)
Florida Snow or Mexican Clover or Large Flower Pusley (video)
Florida Swampprivet Plant Bug - New Species Found (pdf 835kb)
Florida Yards & Neighborhoods Handbook (pdf 1.8Mb)
Flowering Trees, Tropical (link to Lee County Extension website)
Flowering Trees for Southwest Florida (Notes for Flowering Tree Video)
Forms

    Insect ID Instructions & Form (pdf 175kb)

Frangipani Pests
Fruit - Fact sheets on temperate, subtropical and tropical fruit crops (link)
Fruit Trees (pdf 75kb)

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G
Gaillardia or blanket-flower (pdf 1.04mb)
Ganoderma - Palm Ganoderma Butt Rot of Palms (M Elliott, UF/IFAS)
Ganoderma - Palm Ganoderma Butt Rot (D. Caldwell 2015)
Geiger Tortoise Beetle (pdf 89kb) #2 (pdf 355kb)
Grass - Tropical Sod Webworm (pdf 304kb)
Grasshoppers (pdf 423kb)
Green Scale
Groundcovers
        Perennial Peanut (pdf 424kb)
        Rhizoma Perennial Peanut (pdf 327kb)
        Walkable Alternatives 2011 (pdf 742kb)
Gumbo-limbo plagues FSHS 2014,Caldwell (pdf 2.14MB)


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H
Heather, Insect Pest of (pdf 85kb)
Hedges, Alternatives for ficus hedges: Firebush (644 kb)
Hibiscus Bud Drop
How Hurricane Cuts Compromise Palms (pdf 152kb)
How to Read a Fertilizer Label (pdf 27kb)

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I

Impatiens with Downy Mildew (pdf 496)
Impatiens Dying from Downy Mildew (video)
Indian Hawthorn Resistance to Entomosporium Leafspot Disease (pdf 333kb)
Insects
    Asian Cycad Scale
    Asian Cycad Scale (pdf 299kb)   #2 (pdf 355kb)
    Asian Cycad Scale Devastation (pdf 297kb)
    Asian Cycad Scale - beneficial insects (pdf 261kb)
    Asian Cycad Scale Research Updates (pdf 320kb)
    Bark Beetle (pdf 103kb)
    Bark Lice (pdf 384kb)
    Bougainvilleas (pdf 252kb)
    Chili Thrips
    Citrus Psyllid ( (pdf kb)
    Citrus Psyllid Greening(pdf 83kb)
    Cuphea Chewers (pdf 85kb)
    Fig whitefly (pdf 196kb)
    Frangipani Pests (pdf 241kb)
    Geiger Tortoise Beetle (pdf 89kb) #2 (pdf 355kb)
    Green Scale
    Hibiscus Bud Drop
    Io Caterpillar (pdf 98.6 kb)
    Jadera Bug (pdf 114kb)
    Lace Bug (pdf 90kb)
    Lobate Lac Scale
    Oleander Insects (pdf 165kb)
    Palmetto Weevil (pdf 75kb)
    Pine Bark Beetles (pdf 304kb)
    Pink Hibiscus Mealybug (pdf 123kb)
    Pyriform Scale (pdf 96kb)
    Royal Poinciana caterpillar (pdf 6.53Mb)
    Sago Scale (pdf 299kb)   #2 (pdf 355kb)
    Sago Cycad Scale Devastation (pdf 297kb)
    Sago Cycad Scale - beneficial insects (pdf 261kb)
    Sago Cycad Scale Research Updates (pdf 320kb)
    Snowbush Caterpillar (pdf 6.53Mb)
    Slugs and Snails (pdf k323b)
    Snowbush Caterpillar (pdf 222kb)
    Sooty Mold (pdf 331kb)
    Southern Red Mites (pdf 133kb)
    Whiteflies (pdf 142kb)

Insect ID Do's and Don'ts (pdf 146kb)
Insect Management Recommendations for Landscape Plants (pdf 476kb)
Insect Problems, New (pdf 150kb)
Invasive Plant Information from APIRS (link)
    - Acacia (pdf 170kb)
    - Senna (pdf 170 kb)
    - Sword Fern
Io Caterpillar (pdf 98.6kb)
Irrigation Recommendations (pdf 608kb)
Ixora Cultivars Susceptible to Nematodes (793kb)
Ixora Spots a Nutrient Problem (pdf 560kb)

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J
Jadera Bug

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K

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L
Lace Bug
Landscape Maintenance Contract Considerations (pdf 1.6Mb)
Landscape Maintenance Contract Considerations Ver II (pdf 6Mb)
Landscape Maintenance - Hiring a Contractor, Community Considerations, M. Spencer (3 parts)
Lawn pests: sod webworm (pdf 304 kb)
Lawn pests: sod webworm (video)
Lawn problems - Large (brown) patch disease and crabgrass winterkill (YouTube)
Lawn problems - summer yellowing (pdf 353 kb)
Littoral shelf pond plant species characteristics (pdf 57.5kb)
Lobate Lac Scale
Lubber Grasshoppers Devour Crinum Plants and More
(D Caldwell, 2015)

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M
Mangos (pdf 75kb)
Mexican Petunia (pdf 180kb)
Millipedes (pdf 955kb)
Millipedes by R. Shelley, University of Tennessee (6pp)
Mosquito-Borne Disease or Chickungunya
Musical Note (Clerodendrum) (pdf 369)


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N
Naples BMP Fertilizer Ordinance - Newspaper Article (pdf 20kb)
    Actual Ordinance - final version (35kb)
Nematode Management for Bedding Plants (pdf .97MB)
Nematodes - Ixora Cultivars Susceptible to Nematodes (793kb)
New Insect Problems (pdf 150kb)

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O
Oak branch dieback disease UF/IFAS 2015 (pdf 661 kb)
Oaks, Live, Cookie Cutter (pdf kb)
Oaks, Live, Overkill (pdf 186kb)
Oleander Caterpillar (youtube)
Oleander Insects
Orchid Tree - Hong Kong Orchid Tree Bauhinia x Blakeana
Oxhorn Bucida "black olive" tree (573kb)
Gall Eriophyid Mites (mpg video 7Mb)

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P
Palmetto Weevil (pdf 75kb)

Palms
Selecting Palms in South Florida - A narrated online guide to selecting palms in South Florida.
    Cold Weather Damage to Palms (163kb)
    Cold Weather Palm Problems, by Broschat and Elliott (1.39MB)
    Diagnosing Palm Diseases (pdf 65kb)
    Ganoderma Butt Rot - Palms (M Elliott, UFIFAS)
    Palm Ganoderma Butt Rot (D Caldwell, 2015)
    Nutrition: Deficiencies, fertilizers and Pruning -
    Dr. Monica Elliott Power Point PDF (45 pages)

    Palm Disease Chart (pdf 146kb)
    UF/IFAS Palm Disease Website (link)
    Palm Lethal Yellowing (pdf 474kb)
    Palm Lethal Yellowing Inoculators List (pdf 82kb)
    Palm Lethal Yellowing Products (link)
    Palm Pruning (pdf 143kb)
    Palm Pruning - Spanish (pdf 149kb)
    Palm Pruning - Video (YouTube)
    Palm Pruning - Hurricane Cuts
    Pygmy Date Palms Going Anemic - Fatally (pdf 252kb)
    Queen Palm Killer Disease (pdf 221kb)   
    Queen Palms - Just Say No (pdf 93.2kb)
    Thielaviopsis Disease (pdf 280kb)

Passionflower Vines (pdf 201kb)
Passionvine viruses alert (pdf 196kb)
Perennial Gardening in Florida (pdf 62.8kb)

Perennial Peanut
    Perennial Peanut (pdf 424kb)
    Perennial Rhizoma Peanut - know the differences (pdf 327kb)

Periwinkle (pdf 128kb)
Pesticide Recommendations (pdf 35.1kb)
Pesticides, ProHort information - link
Pine Bark Beetles (pdf 304kb)
Pink Hibiscus Mealybug (pdf 101kb)

Planarian - New Guinea Land Planarian by Dr. Bill Kern

Poisonous Plants
Rosary Pea (Abrus precatorius) (295KB)


Pond Management
  
 Littoral Zone, Chad Washburn, 3-25-13 (pdf, 40 pages)
    Pond Algae, Dr. Serge Thomas, 3-25-13 (pdf, 109 pages)
    Pond shore plants (pdf 57.5kb)
    Rain Gardens, Dr. Michael Bauer, 3-25-13 (pdf, 40 pages)
   Stormwater Pond Management, Mark Clark, 3-25-13 (50 pgs)


Pruning
   
Cabling Reduces Storm Damage Potential (pdf 394kb)
    Minimize Storm Damage to Trees (pdf 122kb) 
    No gutting, topping and overlifting (YouTube) 
    No gutting, topping and overlifting - sequel (YouTube) 
    Palm Pruning (pdf 143kb)
    Palm Pruning - Spanish (pdf 149kb)
    Palm Pruning - Video (YouTube)
    Palm Pruning - Hurricane Cuts
    Pruning Landscape Trees and Shrubs by Gilman and Black
    Shrub Species to Consider and Proper Pruning Techniques
    Tree Pruning (pdf 306kb)
    Tree Pruning - Spanish (pdf 103kb)
    Tree Pruning for Hurricane Safety (YouTube video)
    Shrub Pruning - Spanish (pdf 151kb)     
    Wilt Diseases in Palms  (pdf 377kb)

Pyriform Scale


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Q
Queen Palms - Just Say No (pdf 93.2kb)

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R
Red Date Scale
Recommended Insecticide List

     Doug Caldwell
     E. Buss / D. Short

Roots - Sidewalks and Tree Roots (297 kb)
Rosary Pea (Abrus precatorius) (295KB)
Royal Palm Bug (pdf 350kb)
Royal Poinciana Caterpillar (319kb)
Royal Poinciana Caterpillar (pdf 6.53 Mb)
Royal Poinciana caterpillar (video-wmv 1.5Mb)
    Caterpillar strips large trees in October 2006 in Naples
Rugose Spiraling Whitefly (pdf 268kb)
Rugose Spiraling Whitefly - Host Plants (690kb)
Rust Disease - Guava rust and Viburnum Downy Mildew (pdf 919kb)
Rust Disease - Senna, Senna surattensis (pdf 895kb)

 

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S
Scale
    Sago Scale ( (pdf 299kb)   #2 (pdf 355kb)
    Sago Cycad Scale Devastation (pdf 297kb)
    Sago Cycad Scale - beneficial insects (pdf 261kb)
    Sago Cycad Scale Research Updates (pdf 320kb)
    Scale Insects (pdf 354kb)
    Scale Insects (YouTube video)

Sago Manganese Deficiency (King)
Seed Companies (link)
Senna (pdf 170kb)
Senna surattensis - Rust Disease (pdf 895kb)
Shrub (pdf 565kb)
Shrubs - Pruning Landscape Trees and Shrubs by Gilman and Black (pdf CIR853)
Shrub Species to Consider and Proper Pruning Techniques
Shrubs - Right plant - vines into shrubs-not! (pdf 920kb)
Sidewalks and Tree Roots (297kb)
Dr. Palmateer's Report (March 2010) on Eugenia and Simpsons stopper dieback disease (pdf)
Dr. Palmateer's Pictures of Eugenia and Simpsons stopper dieback disease (pdf 1423kb)
Slugs and Snails (pdf 323kb)
Snowbush Caterpillar (pdf 222kb)
Snowbush Caterpillar (pdf 6.53 Mb)
Snowbush Caterpillar (YouTube video)
Sod Webworm (pdf 304kb)
Sooty Mold (pdf 331kb)
Southern Red Mites
Spiders in the Lanai (pdf 445kb)
Sri Lanka Weevil (pdf 879kb)
Staining "black olive" tree (pdf 573kb)
Storm Damage - Minimize Damage to Trees (pdf 122kb)
Storm Damage to Trees Can be Reduced
Sword Fern (pdf kb)

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T
Thrips - Ficus (pdf 638kb)
Toad - Cane (pdf 1.03mb)
Trees

    Cabling Trees to Prevent Storm Damage(pdf k394b)
    Hong Kong Orchid Tree Bauhinia x Blakeana
    Pruning Trees Correctly (pdf 306kb)
    Pruning Trees Correctly - Spanish (pdf 103kb)
    Sidewalks and Tree Roots (297kb)
    Small Trees for South Florida (pdf 370kb)
    Stained Sidewalks Under Oaks (pdf 1.8Mb)
    Tree Removal Brochure (pdf 1279kb)
    Verawood Bulnesia (pdf 188kb)
    Wind Resistance Trees (pdf 43kb)
    
   

Tropical Flowering Trees (link to Lee County Extension website)
Turf Drought (pdf 503kb)
Turf - Mosaic Disease of St. Augustinegrass Caused by Sugascane Mosaic Virus (pdf 793kb)
Turf Problems - Summer Yellowing (pdf 353kb)
Turf - Sod Webworm (pdf 304kb)
Turfgrass - Large Patch (pdf 548kb)

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U

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V
Vegetable pests (pdf 26.3kb)
Verawood Bulnesia (pdf 188kb)
Viburnum Downy Mildew and Guava rust (pdf 919kb)
Viburnum Downy Mildew Disease (pdf 608kb)

Videos (YouTube videos)
    Asian Sago Scale
    Blister Gail Wasp Defoliates Cuban-laurel
    Brown Patch Disease
    Caladiums & The Caladium Festival
    Croton Scale
    Croton Scale - Check Your Plants
    Ficus Whitefly
    Florida Snow or Mexican Clover or Large Flower Pusley
    Florida Wax Scale
    Flowering Trees
    Hurricane Pruning of Trees
    Impatiens Dying from Downy Mildew
    Japanese Blueberry Tree
    Master Gardener Yard & Garden Show 2010
    Oleander Caterpillar
    Proper Palm Tree Pruning
    Pruning - Say "No!" to GTO!  No gutting, topping and overlifting
    Snowbush Caterpillar
    Tree Pruning for Hurricanes
    Tropical Sod Webworm
Vine, Passionflower (pdf 201)
Vines - Right plant - vines into shrubs-not! (pdf 920kb)


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W
Weevil, SriLanka Weevil Mannion (pdf 880kb)

Whitefly Information
Ficus Whitefly Management and Biocontrol Identification (pdf 534kb)
Scouting for Q Whitefly, Bemisia tabaci in the Landscape (pdf 588kb)
Spiraling Whitefly- Miami-Dade Common Questions (532kb)
Whiteflies
Whitefly - Ficus Whitefly Defoliating Ficus (pdf 191kb)
Whitefly - Fig (pdf 196kb)
Worms dying by door (pdf 955kb)


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X

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Y

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Z

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