Frequently Asked Questions
Harvest salsify in mid- to late November as cool fall temperatures enhance the oyster-like flavor of the roots. After harvest, trim off the foliage 1 inch above the roots and store the salsify at a temperature of 32 degrees Fahrenheit and a...
While most trees and shrubs bloom in spring or summer, witch hazels are a notable exception. Common witch hazel (Hamamelis virginiana) blooms from mid-October to early December. Vernal witch hazel (Hamamelis vernalis) and...
Many species of trees are available as cut Christmas trees in both local tree farms and commercial lots. The species you select will depend on attributes like color, shape, needle retention, aroma, and branch stiffness (to hold up heavy ornaments...
Harvest parsnips in mid- to late November as cool fall temperatures convert starch to sugar and give parsnips their distinctive flavor. After harvest, trim the foliage back to within 1 inch of the roots. Store parsnips at a...
Christmas cacti are easy to propagate. Remove sections of the plant consisting of 2 to 5 flattened stem segments. Cut or pinch off each section at a joint. Allow the cut/pinched ends of the cuttings to callus overnight. ...
While rex begonias and many other houseplants prefer high relative humidities, misting is ineffective unless you’re prepared to mist the plants several times a day. Also, rex begonias are not fond of water on their foliage.
The...
Whiteflies are common insect pests of hibiscus, poinsettia, chrysanthemum, and a number of other indoor plants. They are most often noticed when watering or handling a plant. When disturbed, whiteflies flutter about the plant for a...
Aphids and spiders are the two most commonly found pests on fresh-cut Christmas trees. In both cases, adults that were on the trees back in late summer or fall laid eggs on the stems or needles. These eggs normally remain dormant...
The symptoms are those of peach leaf curl. Peach leaf curl is a fungal disease. The disease is caused by the fungus Taphrina deformans. Infections occur as the peach tree buds begin to swell in spring.
A...
Poinsettias are available in a wide range of colors. Red is the most popular color. However, poinsettias are also available in burgundy, pink, salmon, white, cream, and gold. There are also bicolored, marbled, and speckled...
Remove the seed from the center of the fruit and wash it in water. For propagation purposes, the broad end of the seed is the bottom. The pointed end is the top. Insert 3 or 4 toothpicks into the sides of the seed. They...
Houseplants are attractive additions to homes and offices. They can also improve indoor air quality by removing formaldehyde, benzene, xylene, ammonia, and other harmful chemicals.
Plants that have been shown to improve Indoor Air...
After the holidays, there are several ways to dispose of or recycle your tree. (Before recycling your Christmas tree, remove all tinsel and ornaments.)
Place the tree in the yard or garden for use by birds and other wildlife....
The growth and fruiting characteristics of raspberries are unique. The plant’s roots and crown are perennial, while the stems or canes are biennial. A raspberry plant may survive and produce fruit for many years. However,...
Place the poinsettia in a plant sleeve or carefully wrap it before transporting the plant home. Exposing the poinsettia to freezing temperatures, even for a few minutes, may cause its bracts and leaves to blacken and drop. As soon as...
In general, houseplants require less frequent watering during the winter months than in spring and summer. Watering frequency depends upon the plant species, the composition of the potting mix, environmental conditions (temperature, light,...
The small, yellow mushroom is probably Leucocoprinus birnbaumii. The fungus is sometimes referred to as yellow houseplant mushroom, yellow parasol, or flower pot parasol. This species can be found outside in summer, but is...
Don’t burn your Christmas tree in a fireplace or wood stove. Dry, evergreen branches literally explode when burned and could cause a house fire. Also, burning the tree may contribute to the buildup of creosote and lead to a flue fire...
Leaves are not a good winter mulch for strawberries. Leaves can mat together in layers, trapping air and creating space for ice to form. The leaf, air, and ice layers do not provide adequate protection. A leaf mulch may actually...
The key to watering a poinsettia is the moisture content of the potting soil. Check the potting soil daily with your finger. When the soil surface becomes dry to the touch, water the plant until water begins to flow out the bottom of...
Most houseplants grow well with daytime temperatures of 65 to 75°F and night temperatures of 60 to 65°F. Temperatures below 50°F or rapid temperature fluctuations may harm some plants. Keep houseplants away from cold drafts, radiators...
“Cat grass” is grown by cat owners to satisfy their cat’s desire to graze on green plants. Cat grass is usually common oats or a blend of oats, wheat, and rye grass. It is sold at pet supply stores and garden centers.
Cat...
Flower and vegetable seeds can be purchased at local garden centers and other retailers. They’re also available from mail-order/internet companies.
Mail-order/internet sources include:
- Park Seed Company |...
Pawpaw (Asimina triloba) seeds germinate slowly because they possess dormant embryos and slowly permeable seedcoats. Germination can be improved by placing the seeds in a cool, moist environment for 80 to 100 days. The cool, moist...
Improper watering may be responsible for the leaf drop on the poinsettia. Over-watering will cause the lower leaves to turn yellow and drop. Plants that are allowed to get too dry will wilt and also drop leaves.
The water...
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