1,503
  • Uploads Play all

    • Replacing Turfgrass Trouble Spots Using Florida-Friendly Principles in SW Florida - Duration: 3 minutes, 39 seconds.

      • 1 month ago
      • 139 views
      The prolonged 2018 red tide and green algae outbreaks culminated in one Naples homeowner addressing a landscape eyesore differently. The unthrifty spot was remedied with some University of Florida ...
    • Hurricane Irma: Tree Recovery and Techniques to Minimize Future Storm Damage - Duration: 8 minutes, 14 seconds.

      • 1 year ago
      • 602 views
      Hurricane Irma roared through Naples, Florida on September 10, 2017, with 141 MPH winds packed with a matrix of tornadic cells and wind shears. Certified Arborists Dr. Doug Caldwell (UF|IFAS Extens...
    • Ixora Leaf Spots? - Duration: 3 minutes, 30 seconds.

      • 1 year ago
      • 7,008 views
      This heavy blooming shrub is an old time favorite in south Florida. If unpruned, Ixora coccinea can reach up to twelve feet in height. Ixora are native to southern Asia and are not particularly we...
    • Oleander Caterpillar Damage in Home Landscapes - Duration: 5 minutes, 17 seconds.

      • 2 years ago
      • 4,697 views
      (Note: check the little "settings" cogwheel (bottom right under video)and adjust to 720 HD for best viewing.)
      Oleander has been a favorite long-flowering, shrub species in Florida for decades, espe...
    • Overlooked Native Shrubs for South Florida Landscapes - Duration: 6 minutes, 53 seconds.

      • 2 years ago
      • 10,807 views
      Add diversity to your south Florida landscape with native shrubs that are attractive, wildlife-friendly and low maintenance. Dr. Doug Caldwell, Ph.D, UF⎮IFAS Extension Collier County, Commercial L...
    • Sri Lanka Weevil Damage in Home Landscapes - Duration: 5 minutes, 21 seconds.

      • 3 years ago
      • 3,128 views
      What is eating those leaves? It’s the Sri Lanka weevil! Dr. Doug Caldwell, Ph.D, UF⎮IFAS Extension Collier County Entomologist (Dr. Dougbug) explains “WHAT TO DO” about this grey and black leaf-c...
    • Flowering Trees Southwest Florida - Duration: 8 minutes, 10 seconds.

      • 4 years ago
      • 18,568 views
      Dr. Doug Caldwell is the University of Florida|IFAS, Extension Landscape Horticulture Educator in Collier County. Doug has a Ph.D. in entomology, so everyone calls him "Dr. Dougbug".

      This video is...
    • Caladiums • The Caladium Festival - Duration: 8 minutes, 19 seconds.

      • 5 years ago
      • 88,624 views
      The caladium is the crown jewel of the  jack-in-the pulpit family (Araceae). With all of its colors and leaf shapes, it is the bird of paradise in the drab crow family of arums.  Dr. Henry Nehrling...
    • Croton Scale Attacking More than 70 Plants - Duration: 6 minutes, 52 seconds.

      • 5 years ago
      • 23,530 views
      Crotons [Codiaeum variegatum: Euphorbiaceae] provide an exciting sparkle of color to our otherwise, all-to-common, monochromatic world of green hedgery. Croton foliage colors range from various, e...
    • Palm Tree Pruning WINK - Duration: 3 minutes, 3 seconds.

      • 5 years ago
      • 1,883 views
    • Senna Rust Disease - Duration: 4 minutes, 24 seconds.

      • 5 years ago
      • 2,640 views
      Rust Disease Defoliates Glaucous Cassias (Senna surattensis) in south Florida. 
      From November 2012 through January 2013, a pathogen identified as a brown rust  (Ravenelia sp.) by  plant pathologist...
    • Rugose Spiraling Whitefly 2 - Duration: 5 minutes, 9 seconds.

      • 5 years ago
      • 2,636 views
      Rugose Spiraling Whitefly in Naples, Florida, The Sequel--14 months after the invasion
      the rugose spiraling whitefly moved into Collier County around November 2011. It tended to favor coconut and C...
    This item has been hidden
  • Lawns Play all

    • Florida Snow.mov - Duration: 4 minutes, 7 seconds.

      • 7 years ago
      • 4,419 views
      Dr. Doug Caldwell from the University of Florida in Collier County explains the late summer- winter drifts of pink-white fllowers - "weed" ? - in your south Florida lawn. Or maybe it is not a weed...
    • Brown Patch Disease in LawnsYT.mov - Duration: 4 minutes, 39 seconds.

      • 7 years ago
      • 39,916 views
      Dr. Doug Caldwell, Ph.D from the University of Florida in Collier County shows how to identify Brown or Large Patch Disease in your lawn. (Rhizoctonia solani) Film produced by Master Gardeners.
    • Sod WebwormLG.m4v - Duration: 7 minutes, 15 seconds.

      • 8 years ago
      • 19,975 views
      Dr. Doug Caldwell How to identify Sod Webworm in your Florida Lawn. And what to do about it. University of Florida IFAS Dougbug
    This item has been hidden
  • Pests • Bugs Play all

    • Oleander Caterpillar Damage in Home Landscapes - Duration: 5 minutes, 17 seconds.

      • 2 years ago
      • 4,697 views
      (Note: check the little "settings" cogwheel (bottom right under video)and adjust to 720 HD for best viewing.)
      Oleander has been a favorite long-flowering, shrub species in Florida for decades, espe...
    • Sri Lanka Weevil Damage in Home Landscapes - Duration: 5 minutes, 21 seconds.

      • 3 years ago
      • 3,128 views
      What is eating those leaves? It’s the Sri Lanka weevil! Dr. Doug Caldwell, Ph.D, UF⎮IFAS Extension Collier County Entomologist (Dr. Dougbug) explains “WHAT TO DO” about this grey and black leaf-c...
    • Snowbush Caterpillar YT HD.mov - Duration: 6 minutes, 4 seconds.

      • 8 years ago
      • 1,846 views
      Dr. Doug Caldwell, Ph.D Entomologist from the University of Florida discusses the Snowbush Caterpillar (Melanchroia chephise) and how it is defoliating this beautiful shrub. (Breynia nivosa). Video...
    • Bucida "Black Olive" Staining- the Bungee Caterpillar.mov - Duration: 7 minutes, 2 seconds.

      • 7 years ago
      • 8,031 views
      Dr. Caldwell is credited with the original report for a new discovery that the severe staining is caused by the frass (waste) of the caterpillar not the fruit nor the leaves.

      Tannins occur natural...
    • Rugose Spiraling Whitefly.mov - Duration: 7 minutes, 7 seconds.

      • 6 years ago
      • 10,222 views
      This new sap sucker is from Central America or Mexico and arrived in the Naples area in late 2011. There are up to 90 plants it will attack and the list keeps growing! This whitefly is not a killer...
    • Blister Gall Defoliates Cuban Laurel - Duration: 6 minutes, 34 seconds.

      • 6 years ago
      • 2,761 views
      In early 2007, the ficus blister gall was reported in Florida for the first time in the Naples area. The leaf gall is found on Cuban-laurel ficus ( Ficus microcarpa or [ F. retusa] ). It is caused ...
    • Rugose Spiraling Whitefly 2 - Duration: 5 minutes, 9 seconds.

      • 5 years ago
      • 2,636 views
      Rugose Spiraling Whitefly in Naples, Florida, The Sequel--14 months after the invasion
      the rugose spiraling whitefly moved into Collier County around November 2011. It tended to favor coconut and C...
    This item has been hidden
  • Pests • Scale Insects Play all

    • Croton Scale Attacking More than 70 Plants - Duration: 6 minutes, 52 seconds.

      • 5 years ago
      • 23,530 views
      Crotons [Codiaeum variegatum: Euphorbiaceae] provide an exciting sparkle of color to our otherwise, all-to-common, monochromatic world of green hedgery. Croton foliage colors range from various, e...
    • Asian Sago Scale - Duration: 8 minutes, 18 seconds.

      • 6 years ago
      • 18,094 views
      Asian Scale is Killing King and Queen Sagos

      Dr. Doug Caldwell from the University of Florida in Collier County shows you how to identify this aggressive Asian sago scale (Aulacaspsis yasumatsui) ...
    • Florida Wax Scale HD.mov - Duration: 2 minutes, 46 seconds.

      • 8 years ago
      • 2,111 views
      Dr. Doug Caldwell, University of Florida, identifies a serious pest problem on shrubs -- the Florida Wax Scale (Ceroplastes floridensis). He also explains what sooty mold is and how it is related t...
    • Japanese Blueberry Tree:Lobate Lac Scale HR - Duration: 3 minutes, 37 seconds.

      • 8 years ago
      • 8,954 views
      Dr. Doug Caldwell, (aka, Dr. Dougbug) University of Florida Extension, Collier County, offers an alternative medium-sized, residential shade tree--the Japanese Blueberry (Elaeocarpus decipiens).
      ...
    This item has been hidden
  • Plant Diseases Play all

    • Senna Rust Disease - Duration: 4 minutes, 24 seconds.

      • 5 years ago
      • 2,640 views
      Rust Disease Defoliates Glaucous Cassias (Senna surattensis) in south Florida. 
      From November 2012 through January 2013, a pathogen identified as a brown rust  (Ravenelia sp.) by  plant pathologist...
    • WBBH 2012 Caldwell Downy Mildew Impatiens - Duration: 118 seconds.

      • 6 years ago
      • 359 views
    • Brown Patch Disease in LawnsYT.mov - Duration: 4 minutes, 39 seconds.

      • 7 years ago
      • 39,916 views
      Dr. Doug Caldwell, Ph.D from the University of Florida in Collier County shows how to identify Brown or Large Patch Disease in your lawn. (Rhizoctonia solani) Film produced by Master Gardeners.
    • Awabuki Diseases Causing Leaf Drop.mov - Duration: 6 minutes, 59 seconds.

      • 6 years ago
      • 8,159 views
      Weather conditions in Southwest Florida this winter were both cooler at night and warmer during the day. This unusual combination has caused the defoliation of one of the area's favorite privacy h...
    • Impatiens Dying from Downy Mildew.mov - Duration: 3 minutes, 56 seconds.

      • 6 years ago
      • 21,525 views
      Dr. Doug Caldwell from the University of Florida in Collier County updates viewers on the aggressive disease (Plasmopara obducens) that is killing off our impatiens. This pathogen is a downy mildew...
    This item has been hidden
  • Pruning Trees Play all

    • Hurricane Irma: Tree Recovery and Techniques to Minimize Future Storm Damage - Duration: 8 minutes, 14 seconds.

      • 1 year ago
      • 602 views
      Hurricane Irma roared through Naples, Florida on September 10, 2017, with 141 MPH winds packed with a matrix of tornadic cells and wind shears. Certified Arborists Dr. Doug Caldwell (UF|IFAS Extens...
    • Pruning Live Oak For Health & Safety.mov - Duration: 8 minutes, 47 seconds.

      • 7 years ago
      • 84,064 views
      Dr. Doug Caldwell from the University of Florida joins Ian Orlikoff, ISA Certified Arborist, to demonstrate the proper pruning of a Live Oak Tree. Or any other tree. They discuss the importance of...
    • Palm Tree Pruning WINK - Duration: 3 minutes, 3 seconds.

      • 5 years ago
      • 1,883 views
    • Palm Tree Pruning.mov - Duration: 8 minutes, 55 seconds.

      • 7 years ago
      • 110,536 views
      Dr. Doug Caldwell from the University of Florida in Collier County tackles the hot topic Hurricane Pruning Palm Trees -- a common practice that is supposed to protect your palms during the Hurrican...
    • Tree Pruning For Hurricanes2.mov - Duration: 6 minutes, 47 seconds.

      • 7 years ago
      • 3,413 views
      An eye-opening guide to pruning trees in areas of the country where Hurricanes occur. Doug Caldwell, Ph.D., from the UF|IFAS - University of Florida, Collier County Extension demonstrates the bes...
    This item has been hidden
  • Community Play all

    • Agriculture Tour 2011.mov - Duration: 6 minutes, 8 seconds.

      • 7 years ago
      • 1,028 views
      Highlights of the Collier County Florida Agricultural Bus Tour March 2011. The tour is organized by the agricultural program at Collier County University Extension. It departs from the University o...
    • Frank De Nardis-Fruit Grower.m4v - Duration: 12 minutes.

      • 7 years ago
      • 4,356 views
      Dr. Doug Caldwell from the University of Florida , Collier County visits the garden of Frank DeNardis. Frank is an expert grower of tropical fruits and is equally colorful. Turning 90 in 2011, this...
    • Yard & Garden Show Spot - Duration: 103 seconds.

      • 6 years ago
      • 801 views
      You are all invited to the Annual Southwest Florida Yard & Garden Show. Presented by the Collier County Master Gardeners and Members of the Collier County University of Florida Extension Staff.
      ...
    • Yard & Garden Show Naples.mov - Duration: 10 minutes.

      • 7 years ago
      • 456 views
      The Annual Naples Yard & Garden Show is organized by Master Gardeners. The show includes a wide variety of vendors offering both native and exotic plants for sale. A lively program of speakers roun...
    This item has been hidden
  • Popular uploads Play all

    • Palm Tree Pruning.mov - Duration: 8 minutes, 55 seconds.

      • 7 years ago
      • 110,536 views
      Dr. Doug Caldwell from the University of Florida in Collier County tackles the hot topic Hurricane Pruning Palm Trees -- a common practice that is supposed to protect your palms during the Hurrican...
    • Caladiums • The Caladium Festival - Duration: 8 minutes, 19 seconds.

      • 5 years ago
      • 88,624 views
      The caladium is the crown jewel of the  jack-in-the pulpit family (Araceae). With all of its colors and leaf shapes, it is the bird of paradise in the drab crow family of arums.  Dr. Henry Nehrling...
    • Pruning Live Oak For Health & Safety.mov - Duration: 8 minutes, 47 seconds.

      • 7 years ago
      • 84,064 views
      Dr. Doug Caldwell from the University of Florida joins Ian Orlikoff, ISA Certified Arborist, to demonstrate the proper pruning of a Live Oak Tree. Or any other tree. They discuss the importance of...
    • Brown Patch Disease in LawnsYT.mov - Duration: 4 minutes, 39 seconds.

      • 7 years ago
      • 39,916 views
      Dr. Doug Caldwell, Ph.D from the University of Florida in Collier County shows how to identify Brown or Large Patch Disease in your lawn. (Rhizoctonia solani) Film produced by Master Gardeners.
    • Croton Scale Attacking More than 70 Plants - Duration: 6 minutes, 52 seconds.

      • 5 years ago
      • 23,530 views
      Crotons [Codiaeum variegatum: Euphorbiaceae] provide an exciting sparkle of color to our otherwise, all-to-common, monochromatic world of green hedgery. Croton foliage colors range from various, e...
    • Impatiens Dying from Downy Mildew.mov - Duration: 3 minutes, 56 seconds.

      • 6 years ago
      • 21,525 views
      Dr. Doug Caldwell from the University of Florida in Collier County updates viewers on the aggressive disease (Plasmopara obducens) that is killing off our impatiens. This pathogen is a downy mildew...
    • Sod WebwormLG.m4v - Duration: 7 minutes, 15 seconds.

      • 8 years ago
      • 19,975 views
      Dr. Doug Caldwell How to identify Sod Webworm in your Florida Lawn. And what to do about it. University of Florida IFAS Dougbug
    • Flowering Trees Southwest Florida - Duration: 8 minutes, 10 seconds.

      • 4 years ago
      • 18,568 views
      Dr. Doug Caldwell is the University of Florida|IFAS, Extension Landscape Horticulture Educator in Collier County. Doug has a Ph.D. in entomology, so everyone calls him "Dr. Dougbug".

      This video is...
    • Asian Sago Scale - Duration: 8 minutes, 18 seconds.

      • 6 years ago
      • 18,094 views
      Asian Scale is Killing King and Queen Sagos

      Dr. Doug Caldwell from the University of Florida in Collier County shows you how to identify this aggressive Asian sago scale (Aulacaspsis yasumatsui) ...
    • Overlooked Native Shrubs for South Florida Landscapes - Duration: 6 minutes, 53 seconds.

      • 2 years ago
      • 10,807 views
      Add diversity to your south Florida landscape with native shrubs that are attractive, wildlife-friendly and low maintenance. Dr. Doug Caldwell, Ph.D, UF⎮IFAS Extension Collier County, Commercial L...
    • Rugose Spiraling Whitefly.mov - Duration: 7 minutes, 7 seconds.

      • 6 years ago
      • 10,222 views
      This new sap sucker is from Central America or Mexico and arrived in the Naples area in late 2011. There are up to 90 plants it will attack and the list keeps growing! This whitefly is not a killer...
    • Japanese Blueberry Tree:Lobate Lac Scale HR - Duration: 3 minutes, 37 seconds.

      • 8 years ago
      • 8,954 views
      Dr. Doug Caldwell, (aka, Dr. Dougbug) University of Florida Extension, Collier County, offers an alternative medium-sized, residential shade tree--the Japanese Blueberry (Elaeocarpus decipiens).
      ...
    This item has been hidden
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