Frequently Asked Questions
To prevent extensive bark damage, use a 3-cut procedure when pruning branches that are greater than 1½ inches in diameter. Make the first cut 6 to 12 inches from the main branch or trunk. Cut upward and go about one-third of the way...
The symptoms of salt injury to deciduous trees and shrubs include stunted growth, marginal leaf scorch, early fall coloration, and twig dieback. Accumulation of salt in the soil over several years may result in progressive decline and eventual...
A layer of snow is beneficial to many plants in the garden and landscape. A layer of snow protects plants from extreme cold and the drying effects from sun and wind. A layer of snow also prevents repeated freezing and thawing of the...
The weight of heavy, wet snow can cause considerable damage to small trees and shrubs. When heavy, wet snow accumulates on small trees and shrubs, gently shake the snow from their branches or carefully brush off the snow with a broom....
The sudden death of the poinsettia was likely due to a root rot. Pythium and Rhizoctonia root rots typically occur when plants are watered too frequently and the potting soil is kept saturated. Allow the surface of the potting soil to...
The small, white insects are likely whiteflies. Whiteflies are common insect pests of poinsettia, hibiscus, chrysanthemum, and a number of other indoor plants. They are most often noticed when watering or handling a plant. When...
Paperwhite narcissus bulbs should be discarded after flowering. Paperwhites cannot be successfully forced again and are not winter hardy outdoors.
In the home landscape, rabbits feed on herbaceous plants (annuals, perennials, vegetables, and grasses) during the growing season. Trees and shrubs become food sources in late fall and winter (December through March). Damage to trees...
It’s likely the sweet potatoes were not cured and stored properly. After harvest, sweet potatoes should be cured for 7 to 10 days at a temperature of 80 to 85 degrees Fahrenheit and relative humidity of 80 to 90 percent. (These...
An amaryllis bulb purchased at a garden center or other retail business typically blooms 6 to 8 weeks after the bulb is potted up. In succeeding years, proper cultural practices must be followed to get the bulb to bloom on an annual basis...
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