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EDIS Update

New and revised publications from the University of Florida Insitute of Food and Agricultural Sciences

    Nursery Irrigation System Checklist (ENH1208/EP469)

    May 15th, 2013
    Topic(s):Nursery & Greenhouse

    Figure 2. Appropriate nozzle operating pressure is achieved with a subtending regulator. Irrigation must be intensively managed to achieve optimal production times for plants of superior quality. There must be a balance between excessive and inadequate irrigation. Producers use irrigation control devices and past experience to achieve the balance. A few simple checks before and during irrigation can make a big difference in efficient and uniform delivery of the appropriate amount of water. This 4-page fact sheet was written by Tom Yeager, and published by the UF Department of Environmental Horticulture, April 2013.
    http://edis.ifas.ufl.edu/ep469

    Urban Turf Fertilizer Rule for Home Lawn Fertilization (ENH1089/EP353)

    May 3rd, 2013
    Topic(s):Lawn & Garden

    turfgrassWhile a healthy lawn typically takes up and uses applied fertilizer for growth and protein production, nutrients may leach or run off into water bodies or groundwater when fertilizer is overapplied or applied to an unhealthy lawn. In an attempt to reduce this nonpoint source pollution, FDACS developed a rule to regulate the amount of N and P applied to lawns as fertilizer. The Urban Turf Fertilizer Rule regulates what can be sold and marketed as an urban turf fertilizer and requires specific wording on the fertilizer bag. This rule was enacted in response to concerns over potential pollution of water resources resulting from the nitrogen (N) and phosphorus (P) in these fertilizers. This 3-page fact sheet was written by Laurie E. Trenholm, and published by the UF Department of Environmental Horticulture, March 2013.
    http://edis.ifas.ufl.edu/ep353

    Design and Implementation of Edible Plant Demonstration Gardens: A Case Study of the Putnam County Extension Edible Garden (ENH1205/EP466)

    December 12th, 2012
    Topic(s):Lawn & Garden, Program Development

    Figure 11. Lattice and hanging baskets in area #2 of the Hastings gardenDemonstration gardens are a collection of plants assembled and organized in a manner that allows garden visitors to access and study them. Most gardens are designed with a particular focus and include plants that support the purpose and educational theme of the garden. This case study features an edible plant demonstration garden that was designed and installed in Hastings, Florida, on the Extension office grounds. The UF/IFAS program and the Partnership for Water, Agriculture, and Community Sustainability (FPWACS) designed and implemented the demonstration garden using a step-by-step process that is discussed in this 15-page fact sheet written by Gail Hansen, Joseph Sewards, Rebecca Almeida, and Andrew Dunn, and published by the UF Department of Environmental Horticulture, November 2012.
    http://edis.ifas.ufl.edu/ep466

    New Hydrangeas for North and Central Florida: Bigleaf and Mountain Hydrangeas (ENH1034/EP287)

    October 17th, 2012
    Topic(s):Lawn & Garden

    Figure 1. Most bigleaf hydrangea flower heads are blue in the presence of aluminum ions in soil (typically acid soils), pink in the absence of aluminum (typically alkaline soils) or purple in neutral soils. This shows the mophead flower types in blue (Figure 1a 'Bailmer' Endless Summer®) and pink (Figure 1b 'Penny Mac') as well as the lacecap flower type in purple (Figure 1c 'Miyama-yae-Murasaki').Discoveries of reflowering hydrangeas have resulted in the introduction of many new cultivars, providing more garden impact and strengthening ongoing hydrangea appreciation. Even prior to the new reflowering cultivars, gardeners and landscapers had renewed interest in hydrangeas because they flower in shade, often produce blue flowers, and are considered an “heirloom” plant that reminds us of the garden heritage of our forefathers. Many of the newer cultivars have superior form and disease resistance, and some provide 15 or more weeks of flowering per year in north Florida. This 5-page fact sheet was written by Gary W. Knox, and published by the UF Department of Environmental Horticulture, September 2012.
    http://edis.ifas.ufl.edu/ep287

    Alternatives to Synthetic Herbicides for Weed Management in Container Nurseries (ENH1203/EP464)

    October 2nd, 2012
    Topic(s):Nursery & Greenhouse

    Figure 2. Gaps between the disk edge and container rim, along the installation slit, and around the plant stem allow weeds to grow. Weed management is one of the most critical and costly aspects of container nursery production. This is most effectively achieved through preventative practices, primarily with preemergent herbicides. But there are valid reasons for managing weeds with alternatives to synthetic herbicides, including sanitation, exclusion, prevention, hand weeding, mulching, and the use of cover crops, heat, and nonsynthetic herbicides. This 6-page fact sheet was written by Gary W. Knox, Matthew Chappell, and Robert H. Stamps, and published by the UF Department of Environmental Horticulture, September 2012.
    http://edis.ifas.ufl.edu/ep464

    UF-T3 and UF-T4: Two Sterile Lantana camara Varieties (ENH1202/EP463)

    October 2nd, 2012
    Topic(s):Lawn & Garden, Nursery & Greenhouse

    Figure 4. UF-T4 lantana flowers and inflorescences grown outdoors in ground beds in full sun. Lantana camara plants are valued for their bright flower color, butterfly attraction, tolerance to harsh environmental conditions, low maintenance requirements, and ease of propagation and production. But many existing varieties can be weedy or invasive when grown in tropical and subtropical regions. So in 2004, UF/IFAS started a program to develop sterile L. camara varieties with little to no invasive potential.
    This 8-page fact sheet introduces the recently released UF-T3 and UF-T4 lantana varieties that have resulted from these breeding, selection, and testing efforts. Written by Zhanao Deng, David M. Czarnecki II, Sandra B. Wilson, Gary W. Knox, and Rosanna Freyre, and published by the UF Department of Environmental Horticulture, August 2012.
    http://edis.ifas.ufl.edu/ep463

    'Strawberry Star': A Spotted, Fancy-Leaved Caladium for Use in Containers and Landscapes (ENH1201/EP462)

    September 5th, 2012
    Topic(s):Nursery & Greenhouse

    Figure 1. 'Strawberry Star' caladium plants grown in ground beds in full sun'Strawberry Star' is a fancy-leaved variety with a primarily white leaf face and attractive red spots. It is similar to 'Marie Moir' in leaf color and coloration pattern but different from 'Marie Moir' in petiole color. Compared to 'Marie Moir', 'Strawberry Star' sprouts earlier, produces high-quality container plants, demonstrates better landscape performance, and yields more tubers. These improvements make 'Strawberry Star' a desirable replacement for 'Marie Moir' and an additional sun-tolerant variety for the landscape plant palette. This 5-page fact sheet was written by Zhanao Deng, and published by the UF Department of Environmental Horticulture, August 2012.
    http://edis.ifas.ufl.edu/ep462

    'Summer Pink': A New Pink, Fancy-Leaved Caladium Variety (ENH1200/EP461)

    August 29th, 2012
    Topic(s):Nursery & Greenhouse

    Figure 1. 'Summer Pink' plants produced by forcing de-eyed No. 1 tubers in 5-inch square containers.‘Summer Pink’ is a new fancy-leaved caladium variety developed by the University of Florida’s Institute of Food and Agricultural Sciences (UF/IFAS) caladium breeding program for use in large containers and shady locations in the landscape (Deng and Harbaugh 2012). Leaves of this variety have a pink face and pink veins. In replicated field and greenhouse trials, ‘Summer Pink’ performed comparably or better than ‘Fannie Munson’ and ‘White Queen’, two pink caladium varieties commonly used in containers and landscapes. This 4-page fact sheet was written by Zhanao Deng, and published by the UF Department of Environmental Horticulture, August 2012.
    http://edis.ifas.ufl.edu/ep461

    Proper Use and Handling of Glyphosate in Plant Nurseries (ENH1198/EP459)

    May 23rd, 2012
    Topic(s):Nursery & Greenhouse

    Figure 2. Too much glyphosate spray has been applied to this plant, and the runoff represents wasted money and time and could negatively affect non-target plants and animals.Glyphosate is the most used herbicide in the nursery industry in the United States. Used for postemergent control of vegetation, it controls annual and perennial grasses, broadleaves, and sedges. But it is easy to cause unintended damage to desirable vegetation if this product is used incorrectly. This 4-page fact sheet outlines the proper use of glyphosate for plant producers and their employees. Written by Shawn T. Steed and Robert H. Stamps and published by the UF Department of Environmental Horticulture, May 2012.
    http://edis.ifas.ufl.edu/ep459

    Camellias at a Glance (CIR461/EP002)

    April 23rd, 2012
    Topic(s):Lawn & Garden

    Figure 1. Camellia flowerNative to Asia, the first camellia plants were brought to America in 1797 and grown in New England greenhouses. Over the last 200 years, they have proven to be dependable additions to the southern landscape, where they grow and bloom with minimal care in most inland areas of North and Central Florida. Camellias are long lived and function well as foundation plantings, screens, accent plants, background groupings, and hedges. Camellias flower in the fall and winter when few other plants are blooming. For the remainder of the year, their glossy, evergreen foliage, interesting forms and textures, relatively slow growth, and low maintenance make camellias excellent landscape plants worthy of more use. This 6-page fact sheet was written by Sydney Park Brown, and published by the UF Department of Environmental Horticulture, April 2012.
    http://edis.ifas.ufl.edu/ep002

    South Florida Gardening Calendar (ENH1191/EP452)

    April 19th, 2012
    Topic(s):Lawn & Garden

    Figure 1. Cattleya orchidPrune non-spring flowering shrubs and trees in January to improve form. In March, plant warm-season vegetables, such as sweet corn, cucumber, watermelon, and pepper, for late spring harvest. If bahiagrass lawns are yellowing in May, iron may correct the problem. Butterfly lily and gladiolus are bulbs that can be planted during the middle of summer. Plant gladiolus every 2 weeks in September to stagger blooming. This 11-page fact sheet tells what to plant and what to do in your south Florida garden, year-round. Written by Sydney Park Brown and published by the UF Department of Environmental Horticulture, April 2012.
    http://edis.ifas.ufl.edu/ep452

    North Florida Gardening Calendar (ENH1190/EP451)

    April 19th, 2012
    Topic(s):Lawn & Garden

    Figure 1. CamelliaGive cold-damaged palms proper care to encourage their recovery in February. In April, monitor landscape plants weekly for aphids on tender new growth. Annuals that can take full sun during hot summer months include celosia, portulaca, vinca, and some coleus. In September, plant cool-season vegetable crops, such as radish, carrot, cabbage, and lettuce. This 10-page fact sheet tells what to plant and what to do in your north Florida garden year-round. Written by Sydney Park Brown, and published by the UF Department of Environmental Horticulture, April 2012.
    http://edis.ifas.ufl.edu/ep451

    Central Florida Gardening Calendar (ENH1189/EP450)

    April 19th, 2012
    Topic(s):Lawn & Garden

    Figure 2. RoseApply horticultural oils in January. Plant caladium bulbs in March. Watch for thrips, scale, and mites in May. Plant palms in June and July. Calibrate your sprinklers in September. This 10-page fact sheet tells what to plant and what to do in your central Florida garden in each month of the year. Written by Sydney Park Brown, and published by the UF Department of Environmental Horticulture, April 2012.
    http://edis.ifas.ufl.edu/ep450

    Preemergence Herbicides for Use in Ornamentals (OH94/WG058)

    April 13th, 2012
    Topic(s):Nursery & Greenhouse

    Roses, flowers, ornamental horticulture, gardening. Photo by Eric ZamoraPreemergence herbicides are herbicides that are applied prior to weed seed germination. Control of weeds using preemergence herbicides is most successful when the correct herbicide is applied in the correct manner to a weed-free growing medium prior to weed seed germination. This 60-page fact sheet was written by Robert H. Stamps, Heidi M. Savage, Diane K. Rock, and Jeffrey G. Norcini, and published by the UF Department of Environmental Horticulture, March 2012.
    http://edis.ifas.ufl.edu/wg058

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