69 publications were found
on Ornamental-Horticulture
- 2020 Georgia Plant Disease Loss Estimates (AP 102-13) 2020 plant disease losses in Georgia, including control costs, amounted to an estimated $806 million. The value of the crops used in this estimate was approximately $6.712 billion, resulting in a 12.01% relative disease loss across all crops included in this summary. The estimated values for most crops used to compute these disease losses are summarized in the 2020 Georgia Farm Gate Value Report (…
- 2021 Georgia Plant Disease Loss Estimates (AP 102-14) 2021 plant disease losses, including control costs, amounted to an estimated $889 million. The value of the crops used in this estimate was approximately $7690 million, resulting in a 11.6% relative disease loss across all crops included in this summary. For most crops, the estimated values used to compute these disease losses are summarized in the UGA Center for Agribusiness & Economic Developmen…
- 2023 Georgia Ag Forecast Series: Green Industry 2023 (AP 130-1-12) 1. 2022 was a good year for many green industry firms, with many firms seeing increased profits. 2. There are many unknowns going into 2023 that will impact green industry sales, including higher inflation and interest rates, mixed signals within the economy, and the impact of varying strength of the housing market in Georgia. 3. Green industry sales in Georgia are projected to be similar to 2022 …
- 2024 Georgia Ag Forecast Series: Green Industry 2024 (AP 130-2-12) 1. 2023 was a good year for many green industry firms, but not as good as 2020–2022. 2. The unknowns going into 2024 include higher inflation and interest rates, mixed signals within the economy, increased input costs, and variability in the housing market. 3. Green industry sales in Georgia are projected to be lower than 2023 levels.
- A Guide for Commercial Production of Vinca (B 1219) Vinca is a specialty ornamental crop with very distinct requirements. This bulletin will address those requirements and cover a typical production schedule and crop budget.
- Alternatives to Petroleum-Based Containers for the Nursery Industry (B 1407) Beginning in the 1970s, container nursery production acreage rapidly increased such that container nursery production is now the dominant method of nursery production. As a standard in the industry, plastic nursery containers are lightweight, durable, familiar to growers, work well with automation, and can be reused or recycled. However, they are limited in their ability to be sustainably eco-frie…
- Alternatives to Synthetic Herbicides for Weed Management in Container Nurseries (B 1410) Weed management is one of the most critical and costly aspects for container nursery production. High irrigation and fertilization rates create a favorable environment for weed growth in addition to crop growth. Weeds can quickly out-compete the crop for light and other resources, reducing the rate and amount of crop growth as well as salability. Weed management in nursery production is most effec…
- Aphids on Flowering Ornamental Plants in the Landscape (C 1246) An introduction to and information on the biology, damage, and management of aphids in the ornamental landscape.
- Azalea Bark Scale (C 1260) Azalea bark scale (ABS) poses a serious threat to azaleas, rhododendron, and Pieris (Andromedas) in Georgia. ABS is a soft scale insect; the nymph and female soft scales secrete a protective coating of waxy crust on their body that cannot be separated from the scale insect. ABS also is found on blueberry, hawthorn, huckleberry, poplar, and willow. ABS is found in cracks or crevices in the surface …
- Bagworms in Urban Landscapes (C 1237) An introduction to bagworms, along with their biology, how they damage landscapes, and management options.
- Biochar Basics Series: Biochar Basics: An Introduction to Biochar as a Container Substrate Component (C 1292-01) Additional author: Mengmeng Gu, Professor, Colorado State University Department of Horticulture and Landscape Architecture. Biochar has been proposed to be beneficial to the environment and plants. However, many people do not know what biochar is, what can biochar do, or how biochar can be used. In Part 1 of this publication, we provide introductory information on biochar used to partially replac…
- Biochar Basics Series: Biochar Basics: Biochar Properties and Making the Right Biochar Mix (C 1292-04) Additional author: Mengmeng Gu, Professor, Colorado State University Department of Horticulture and Landscape Architecture. Container substrates must fulfill several functions for plant growth: create a suitable environment for root growth, physically support them, hold nutrients and water, and enable gas exchange between the roots and the atmosphere. Suitable physical and chemical container subst…
- Biochar Basics Series: Biochar Basics: Effects on Plant Disease (C 1292-03) Additional author: Mengmeng Gu, Professor, Colorado State University Department of Horticulture and Landscape Architecture. How does biochar play a role in a plant-disease system? Briefly, before the pathogen infects plants, biochar can improve plant growth by increasing water and nutrient uptake, a healthier plant may be more resistant to attack. On the other hand, after a pathogen infects the pl…
- Biochar Basics Series: Biochar Basics: Effects on Plant Growth (C 1292-02) Additional author: Mengmeng Gu, Professor, Colorado State University Department of Horticulture and Landscape Architecture. Is Biochar Good or Bad for Plant Growth? Mixing biochar into soilless substrates may have negative, zero, or positive effects on plant growth. Biochar made from green waste mixed with peat at 50% by volume has been shown to increase prayer plants' total biomass and leaf surf…
- Biology and Management of Scale Insects in Ornamentals (C 1186) Scale insects are common pests of landscape trees and shrubs that are often overlooked when scouting. Scales can be responsible for chlorosis, branch die-back, and ultimately, plant death. Scales are broadly categorized as either soft scales or armored scales. Soft scales produce a soft, cottony, powdery, or waxy substance that cannot be separated from the scale body. Common soft scales in Georgia…
- Biology and Management of the Brown Marmorated Stink Bug in Ornamental Landscapes (C 1248) The brown marmorated stink bug (BMSB), Halyomorpha halys, is a landscape and agricultural pest in the United States. It was introduced from Asia in the mid-1990s, and quickly spread to the entire United States because of its overwintering behavior. They seek dark and dry sites—such as a vehicle parked near trees—in the fall in which to overwinter. It is established in the Piedmont region of the Ge…
- Care of Holiday and Gift Plants (C 951) Flowering and foliage plants can make welcome gifts. How long they remain attractive may be directly related to the care and handling they are given. This publication describes ways to properly care for holiday and gift plants to ensure maximum longevity.
- Chilli Thrips: Biology and Management in the Nursery (C 1210) Chilli thrips, Scirtothrips dorsalis, is an invasive thrips species in the U.S. Currently, chilli thrips infest more than 150 crops worldwide, including strawberries, cotton, tea, citrus, and peppers, as well as many ornamental plants. The pest has become increasingly problematic in nurseries because of its wide host range, small size, and rapid reproduction and development. Chilli thrips quickly …
- Classic City Garden Awards Series: 2016's Best New Plants from the Trial Gardens at the University of Georgia (AP 116-4) New ornamentals have long been considered the lifeblood of the green industry. This publication contains recommendations for best-performing new annuals based on research conducted at the Trial Gardens at the University of Georgia, showcasing the plants that were awarded the Classic City Award in 2016.
- Controlling Lace Bugs on Ornamental Grasses (C 1143) The grass lace bug, Leptodictya plana Heidemann (Hemiptera: Tingidae), has been recently reported as a pest of ornamental grasses in Georgia. It is closely related to, and resembles, the sugarcane lace bug, L. tabida (Herrich-Schaeffer). The lace bug thrives in warm, dry conditions, and the recent drought in the Southeastern U.S. may have contributed to the grass lace bug’s recent emergence as a s…
- Conversion Tables, Formulas and Suggested Guidelines for Horticultural Use (B 931) Pesticide and fertilizer recommendations are often made on a pounds per acre and tons per acre basis. While these may be applicable to field production of many crops, orchardists, nurserymen and greenhouse operators often must convert these recommendations to smaller areas, such as row feet, square feet, or even per tree or per pot. Thus pints, cups, ounces, tablespoons and teaspoons are the commo…
- Crape Myrtle Culture (C 944) Crape myrtle is one of the most useful flowering shrubs/trees grown in Georgia. It provides abundant summer color with a minimum of maintenance.
- Dahlias (C 576) Dahlias are among the most spectacular flowers you can grow in your garden. Hundreds of varieties are available, with flower sizes ranging from 1 to 14 inches in diameter. Almost any color except true blue can be produced in Georgia. In exchange for their beauty, dahlias require dedicated care. Most of them need special soil preparation, staking, watering during dry periods, disbudding and a stric…
- Deer-Tolerant Ornamental Plants (C 985) If deer are overabundant in your neighborhood, and deer herd reduction or management is not feasible, a good way to prevent deer browsing in landscapes is to plant ornamental plants that deer do not like to eat.
- Diagnostics System for Crop History and Disorders in Greenhouses and Nurseries (B 1273) This diagnostic system is designed as a tool to assist growers, Extension specialists and county agents to diagnose problems with ornamental crops. The document consists of six major sections and five appendices. Each section is designed to supply information on various important aspects of the crop under scrutiny.
- Diseases of Leyland Cypress in the Landscape (B 1229) Leyland cypress has become one of the most widely used plants in commercial and residential landscapes across Georgia as a formal hedge, screen, buffer strip or wind barrier. Leyland cypress (x Cupressocyparis leylandii) is a graceful, rapidly growing evergreen tree that is adapted for growth within the 6-10a USDA hardiness zones. Leyland cypress is considered relatively pest-free; however, becaus…
- Field Guide to Ambrosia Beetles of Agricultural Importance in the Eastern and Southern United States (C 1239) This pocket field guide provides a summary of the common economically damaging species of ambrosia beetles in the Eastern and Southern U.S. It includes an easy-to-use morphological identification guide, external and internal plant-injury descriptions to help in infestation diagnosis, and trapping guidelines and protocols for researchers, Extension agents, and growers. The finished printed size of …
- Fireblight: Symptoms, Causes, and Treatment (C 871) Fireblight is a destructive, highly infectious, and widespread disease. It attacks blossoms, leaves, shoots, branches, fruits, and roots. This publication has some facts and methods to avoid and control the disease.
- Flatheaded appletree borer: A pest of trees in nurseries and landscapes (C 1261) The flatheaded appletree borer is a polyphagous pest—so called because it feeds on multiple tree species—native throughout North America. Flatheaded appletree borers impact specialty crops such as fruit, nut, and ornamental trees. Nursery growers in Georgia face mild to moderate levels of infestation depending on the local beetle population size and favorable environmental conditions. Adult flathe…
- Foliage Products: An Opportunity for the Georgia Ornamental Industry (B 1262) The majority of the plants used for interior decoration are considered “foliage plants” because of the highly decorative value of their leaves. Most of them originated in tropical and subtropical areas of the world and are adapted to low light levels, making them a natural choice for interior environments.
- Gardening in Containers (C 787) Growing plants in containers differs from growing plants in the ground. Poorly drained potting mixture can lead to root problems. Under conditions of excess moisture and poor aeration, roots become stressed and are easily invaded by root rotting fungi. Under these circumstances, plants fail to grow properly or even die. In addition to guidance on soil preparation, this bulletin provides informati…
- Georgia Green*A*Syst: Environmental Checklist for Nurseries, Greenhouses and Turfgrass Producers (B 1366) Georgia's nurseries, greenhouses and turfgrass businesses are major contributors to Georgia's growing economy, to the beauty of Georgia homes and businesses, and to a better quality of life. When used appropriately, the products and services provided by these businesses enhance the environment of their customers. Thus, it only makes sense that these businesses should use management practices that …
- Georgia Pest Management Handbook Series: Forestry and Christmas Trees (SB 28-18) Commercial insect and weed control in forestry and Christmas trees. Updated annually.
- Georgia Pest Management Handbook Series: Ornamentals (SB 28-23) Commercial insect and weed control in ornamentals. Updated annually.
- Greenhouse*A*Syst Series: Water Management Assessment (B 1276) The Greenhouse*A*Syst series of publications is a confidential self-assessment program you can use to evaluate your greenhouse business for risks associated with water management issues. Armed with facts and figures, you will then be able to reevaluate your management strategies and determine ways to conserve water and minimize those risks. By following the guidelines, you will be able to establis…
- Greenhouse*A*Syst Series: Water Quality Assessment (B 1277) The Greenhouse*A*Syst series of publications is a confidential self-assessment program you can use to evaluate your greenhouse business for risks associated with water management issues. Armed with facts and figures, you will then be able to reevaluate your management strategies and determine ways to conserve water and minimize those risks. By following the guidelines, you will be able to establis…
- Greenhouse*A*Syst Series: Water Recycling and Water Reuse Assessment (B 1278) The Greenhouse*A*Syst series of publications is a confidential self-assessment program you can use to evaluate your greenhouse business for risks associated with water management issues. Armed with facts and figures, you will then be able to reevaluate your management strategies and determine ways to conserve water and minimize those risks. By following the guidelines, you will be able to establis…
- Greenhouse*A*Syst Series: Water Use Regulation, Legislative Awareness and Company Water Policy Assessment (B 1279) The Greenhouse*A*Syst series of publications is a confidential self-assessment program you can use to evaluate your greenhouse business for risks associated with water management issues. Armed with facts and figures, you will then be able to reevaluate your management strategies and determine ways to conserve water and minimize those risks. By following the guidelines, you will be able to establis…
- Greenhouses: Heating, Cooling and Ventilation (B 792) This publication contains comprehensive, in-depth information about heating, cooling and ventilating greenhouses.
- Ground Covers for Shaded Landscapes in North Georgia (C 1238) This circular discusses the most common ground covers, both native and non-native plants, that are suitable for culture in North Georgia landscapes in shaded areas.
- Growing Bamboo in Georgia (B 1357) This booklet is written in an attempt to filter through much of the available information and make a simple, user-friendly information guide on growing bamboo in Georgia, which has a wide variety of soils and temperate zones.
- Growing Dogwoods (C 900) One of the most widely planted ornamental trees in Georgia is the flowering dogwood. Dogwoods are not difficult to grow if they are located in the proper site and if healthy trees are purchased and planted properly.
- Home & Garden Georgia Pest Management Handbook Series: Ornamentals (SB 48-10) This section of the Home & Garden Edition covers pest control in ornamentals, such as indoor plants, flowers, shrubs, and ground covers. Beginning in 2022, the Home & Garden Edition has been updated biennially. When purchasing a product based on a first-year recommendation of the Handbook, check the current product label before purchase to be sure it is still labeled for the use for which you are …
- How to Generate Income on 20 Acres or Less (B 1551) The idea of producing your own food in a clean, controlled environment is very appealing. While dreams may be big, careful research and planning should be done prior to jumping into any farm venture. Important items such as desire, capital, feasibility, labor, demographics, and marketing all need to be considered.
- Hurricane and Wind Damage to Trees and Shrubs in Nurseries (C 1149) Damage to perennial woody trees and shrubs caused by hurricanes or high wind events is often not initially apparent. In some cases, it can take months or even years to manifest, despite plants looking relatively healthy after initial inspection by growers and insurance adjustors. This publication describes common damage seen in perennial woody trees and shrubs after a hurricane or high wind event.
- Japanese Maple Scale: A Nursery and Landscape Pest (C 1168) The Japanese maple scale (JMS), Lopholeucaspis japonica Cockerell, is an insect pest of Japanese maples and several other ornamental tree species. This insect sucks out plant juices using its piercing and sucking mouthparts. Because JMS, similar to other armored scales, does not directly feed on the phloem vessels of the host tree, the insect does not ingest excessive amounts of sugars to excrete …
- Landscape Basics: Crop Rotation and Cultural Practices Help Reduce Diseases in Seasonal Color Beds (B 1423) Landscape professionals must consider many factors when choosing the right flowering annuals to plant for a particular location. Primary considerations include high visual impact, consistent bloom for color, foliage for texture and color, sun exposure, growth habit and low-water tolerance. Cost plays an important role as well. Many landscapers typically choose common annual ornamentals and tropica…
- Landscape Basics: Success with Herbaceous Perennials (B 1424) Whether in a commercial installation or residential garden, perennial plants can be successfully used to offer more landscaping choices, distinguish your firm from the competition and create a niche for your landscape business. Perennial plants are complex, and it is best to contract or hire a professional landscape architect for the design phase and train knowledgeable staff in proper maintenance…
- Landscape Plants for Georgia (B 625) This publication includes a list of good plants for Georgia organized into various sizes and groups. The design qualities of plants—their form, size, color and texture—are emphasized according to the principles and requirements of good landscape design and plant maintenance. Hardiness and disease and insect resistant qualities are also considered.
- Lantana Lace Bug Biology and Management (C 1262) The lantana lace bug, Teleonemia scrupulosa Stål (Tingidae: Hemiptera), is a serious pest of lantana (Lantana camara L.). Although lantana is regarded as an invasive weed both in the United States and worldwide, many popular cultivars continue to be planted in residential and public ornamental landscapes and gardens. Previously, the lantana lace bug was deliberately introduced to several countries…
- Managing Organic Refuse: Options for Green Industry Professionals (C 982) This publication explains some of the options available to Green Industry professionals for dealing with these organic materials.
- Native Plants for Georgia Part II: Ferns (B 987-2) There are about 12,000 species of ferns in the world today. Most are found in the tropics. Currently, Georgia is home to 36 genera, 119 species and 12 hybrid ferns. The list is constantly expanding as new plants are found. To grow ferns successfully, it is important to match the site characteristics and growing environment with the native requirements of the fern species you intend to grow. Even i…
- New Trial Tropical Container Gardens (B 1361) With increased urbanization, container gardens continue to enjoy popularity and brighten up patios and balconies. For many reasons, tropical plants have become a staple in container gardens traditionally filled with herbaceous annuals, bulbs, succulents, perennials and woody plants.
- Nursery Crop Selection and Market Implications (B 1398) Each year, one of the first questions both seasoned and new nursery producers, managers and owners asks is, “What plants should be propagated and/or grown in the upcoming season(s)?” Answering this question requires a complex equation of inputs ranging from the type of nursery operation that exists to physical location and market trends. For this reason, the answer to this question varies for each…
- Pampas Grass (C 983) Pampas grass is a large perennial grass native to Brazil, Argentina, and Chile. Mature plants can reach 10 feet tall and 6 feet wide. In late summer, silvery-white plumes rise several feet above the foliage and make a bold, dramatic statement in the landscape.
- Propagating Deciduous Fruit Plants Common to Georgia (B 818) Deciduous fruit plants common to Georgia must be propagated asexually because they do not come true to seed. This makes it necessary to reproduce the desired fruit plants by methods such as cuttings, runners, layering, budding or grafting. This publication discusses the common techniques used to asexually propagate fruit plants adapted to Georgia.
- Rain Gardens in Home Landscapes (EB 101) This publication includes three parts. Part 1 discusses stormwater as a pollution source for streams and water bodies, and provides a background on why rain gardens in our landscapes have great environmental value. Part 2 includes a thorough definition of rain gardens and their purpose, and gives step-by-step instructions on how to design a rain garden for a specific site. Part 3 discusses appropr…
- Repotting Basics (C 1240) This publication describes the reasoning behind repotting, as well as container selection, drainage, positioning the plant on an appropriate soil base, examining and attending to root issues, potential root removal and/or redistribution, backfilling, protecting, and watering the plant upon completion of repotting. As container plants mature, their biomass increases and the roots grow outward and…
- Silverleaf Whitefly: A Pest in Nursery and Greenhouse Ornamental Crops (C 1249) The silverleaf whitefly, also known as the sweet potato whitefly or Bemisia tabaci (Hemiptera: Aleyrodidae), attacks a wide range of plants, from ornamentals to warm-season vegetables. Whiteflies are active from mid-July to mid-October and are found gathered together on the underside of leaves during the daytime. Although 76 whitefly species are known to exist in the Southeastern U.S., only a few …
- Soil Preparation and Planting Procedures for Ornamental Plants in the Landscape (B 932) Proper planting is essential for healthy, vigorous growth of ornamental plants in the landscape. It assures rapid plant establishment by providing a favorable environment for the developing root system. This publication offers step-by-step guidelines that will help you achieve planting success.
- Spanish Series: Enfermedades Más Comunes de Plantas Ornamentales en Georgia (B 1238-SP) Esta publicación describe algunas de las enfermedades más problemáticas en las plantas de ornato más usadas en el jardín. El material presentado aquí le ayudará a identificar estas enfermedades y encontrará las recomendaciones para su tratamiento. El conocimiento de estas enfermedades permitirá a los jardineros profesionales y amateurs a combatir estas enfermedades y tener plantas saludables y bel…
- Spanish Series: Tizón de Fuego de las Rosáceas: Síntomas, Causas y Tratamiento (C 871-SP) El tizón de fuego de las rosáceas es una enfermedad destructiva, altamente infecciosa y que ocurre en muchas partes del país y es causada por la bacteria Erwinia amylovora. El tizón de fuego es particularmente prevalente en algunos condados de Georgia. La enfermedad puede atacar los botones florales, las hojas, los meristemos apicales, ramas, frutos y las raíces. [Fireblight is a destructive, hig…
- Starting Plants From Cuttings for the Home Gardener (B 1553) This publication shows home gardeners how to propagate many of their favorite landscape plants from cuttings at a home garden scale, using tools and resources available to them.
- Success with Mixed Containers Using Perennial and Woody Plants (B 1418) This publication offers information on types of plants suitable for mixed containers, with an emphasis on perennial and woody species and cultivars, as well as aesthetic qualities, cultural conditions and placement within the container.
- Tea Scale: Biology and Management in the Nursery and Landscape (C 1201) The tea scale, Fiorinia theae (Hemiptera: Diaspididae), is a serious economic pest of several ornamental plants in nurseries and landscapes in Georgia, including camellias and hollies. Tea scales are armored scales that cause chlorosis (yellowing) of the leaf tissue, and under severe infestations, they can cause plant death. These pests undergo multiple overlapping generations per year and are ver…
- The New and Improved Chaste Tree (C 1076) Chaste tree (genus Vitex) is an ornamental with many desirable qualities for the urban landscape. It is a deciduous shrub to small tree proffering violet flowers, which are a magnet for pollinators, fragrant foliage, and excellent drought and deer tolerance. It's not surprising that it has been touted as one of the best plants for Georgia gardens. There is always room for improvement on what nat…
- Tropical Plants Offer New Possibilities for Georgia Gardens (B 1272) The goals of these investigations were to achieve an aesthetically pleasing landscape while experimenting with mixing various plant habits, leaf textures and colors, and even flowers, and to raise consumer awareness, both at industry and public levels, of the alternative uses of tropical plants in the landscape. This publication presents plant performance data collected over a three-year period in…
- What is a Weather Station and Can it Benefit Ornamental Growers? (B 1475) A weather station is a collection of instruments and sensors measuring atmospheric and soil conditions. Commonly measured environmental variables include light, temperature, relative humidity, rain, wind, and soil conditions (soil moisture, soil temperature, and/or soil bulk electrical conductivity). An on-site weather station allows growers to monitor the microclimate in a growing area. Weather c…
- Winter Protection of Ornamental Plants (C 872) Cold damage to ornamental plants can be a problem during the winter in the Georgia landscape. Regardless of where you live, recommended practices can maximize the chances that your prized landscape plants will survive the winter.