Digital Commons Network^™

Sp290-R-Whiteflies In Ornamentals, The University Of Tennessee Agricultural Extension Service

Home Garden, Lawn, and Landscape

Whiteflies are economically important insects on ornamentals grown in the greenhouse. Although these pests are most serious in the greenhouse, whiteflies may also attack ornamental plants grown outdoors. Some of the preferred woody ornamental hosts include barberry, redbud, Fucshia, honeylocust, black locust, Hibiscus, Lantana, coffeeberry, rose and Jerusalem cherry.

Sp290-T-Holly Leafminers, The University Of Tennessee Agricultural Extension Service

Home Garden, Lawn, and Landscape

Holly leafminers are the most injurious pests of holly in the eastern United States. The holly leafminer was introduced from Europe. This insect is a primary pest of American or Christmas holly. Injury results from the larval mining activity just under the upper leaf surface. Additional damage is caused when females repeatedly puncture the leaves with their ovipositor (egg-laying structure). Punctured leaves become deformed.

Sp614 What Are Those Plants Worth?, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

This publication is intended to provide information relating to methods used by professionals to appraise the value of trees and shrubs in landscapes. Individuals are encouraged to evaluate plants in their landscapes using the information presented; however, for many purposes, especially casualty losses, insurance claims and other “legal” situations, individuals are strongly encouraged to use the services of a professional plant appraiser to receive an independent, reasonable and defensible appraisal of landscape plants.

Sp617 Mulching Your Trees And Landscapes, The University Of Tennessee Agricultural Extension Service

Forestry, Trees, and Timber

A protective covering of various materials, either organic or inorganic, spread over the soil surface to reduce evaporation of moisture, improve plant growth, discourage weedy species and enhance the appearance of the landscape is known as mulch. Inorganic mulching materials include landscape fabric (geotextile) and plastic fi lm that are primarily used for weed control and retention of soil moisture, while rocks, gravel, brick chips and shredded rubber are used more for decorative purposes. Most inorganic mulches do not decay and thus do not improve soil properties. Grass clippings, straw, pine needles, leaves, peat moss, compost, wood fiber and bark …

Sp290-W-Euonymus Scale, The University Of Tennessee Agricultural Extension Service

Home Garden, Lawn, and Landscape

Euonymus scale, Unaspis euonymi (Comstock), is the most reported insect pest of euonymus, pachysandra and American bittersweet species in the Southeast. Other known host plants for this insect include hollies, camellia, twinberry, boxwood, Daphne, English ivy, hibiscus, jasmine, privet, honeysuckle, Pachistima and Prunus. Winged euonymus is usually free from this scale.

Sp290-Q-Boxwood Leafminer, The University Of Tennessee Agricultural Extension Service

Home Garden, Lawn, and Landscape

Boxwoods were brought into the United States in the 1800s. With the introduction of this plant came the boxwood leafminer, Monarthropalpus flavus (=buxi) Schrank.

The boxwood leafminer is considered to be the most serious pest of boxwoods. It occurs from the Atlantic to the Pacific, wherever boxwoods grow. All varieties of the boxwoods are attacked; however, the slower-growing English varieties are less susceptible than the American varieties.

Sp341-N-The Eastern Tent Caterpillar And Its Control, The University Of Tennessee Agricultural Extension Service

Home Garden, Lawn, and Landscape

Nests or tents of the eastern tent caterpillar are a part of the landscape along fence rows and in trees in many parts of Tennessee. This insect has become an increasing problem as more subdivisions spring up in rural areas.