Peach Leaf Curl – How to control

Peach Leaf Curl Description: : Leaves become thickened and curled or crinkled, and turn yellowish or reddish. Later, diseased leaves and misshapen fruit fall off tree. Solution: Spray with Soap-Shield® Fungicidal Soap, ensuring that all surfaces are thoroughly sprayed. Apply as a dormant spray (after leaves have fallen) in late fall. Alternatively, Bordeaux Mixture may be used after leaves drop […]

Anthracnose (Tomatoes)

Anthracnose (Tomatoes) Description: Appears on ripe fruit, producing small, round, sunken spots. These spots grow larger, and soon the whole fruit is affected and develops a water rot. Solution: Use Soap-Shield® Fungicidal Soap or Copper Dust starting after setting out plants, then every 7-10 days. Apply more frequently if disease is increasing rapidly. Reapply after rain. Weed Barrier Mats also […]

Onion Thrip

Onion Thrip Description: Thrips gather in large numbers on onion leaves, causing wrinkled or ribbony shoots to emerge in place of the expected smooth ones. White or gray spotting, called silver top, may eventually cover the entire leaf, giving it a sickly appearance. Thrips are a primary pest of onion, reducing photosynthesis and yield by cutting leaf cells open to […]

Neck Rot (Onions)

Neck Rot (Onions) Description: This disease attacks living plants but is often not noticed until onions are being held in storage. Sunken, dried areas start appearing at the neck of the bulb and gradually move down through the entire bulb. Symptoms usually develop after bulbs have been in storage for a month or more. The fungus penetrates leaf tissue, but […]

Mite and Spider Mite – How to control

Mite and Spider Mite Description: Mites are hardly visible to the eye, but their webbing is the telltale sign of infestation. They feed on most indoor plants, apple and peach trees, evergreens and strawberries, causing yellowing, first along the veins and then over the entire leaf surface. Fruit trees with severe mite damage will have small, poorly colored fruit and […]

Mexican Bean Beetle

Mexican Bean Beetle Description: Bean beetle adults are yellow-brown, 1/4″ long, with 16 black spots; they are frequently mistaken for Lady beetles but Lady beetles have a varying number of spots. The larvae are yellow-orange, spined, 1/3″ long. Both adults and larvae prefer beans. They skeletonize leaves and can strip a plant to its stems quickly. Solution: If infestation is […]

Mealybug – How to contrl

Mealybug Description: Bodies up to 1/4″ long are covered with white powdery wax. Colonies look like small tufts of cotton along veins on underside of leaves and at base of leaf stems. They infest most houseplants, plus apple, grape, peach, pear trees. Infested fruits are disfigured and covered with dark mold. Mealybugs extract plant juices, causing dwarfing, wilting, and early […]

Late Blight (Tomatoes)

Late Blight (Tomatoes) Description: Late blight can be devastating to fruits, stems and leaves when weather conditions are favorable (long periods of muggy weather with cool nights and moderately warm days). Affected plants look as if they were killed by frost. Both green and ripe fruits become corky brown on their surfaces and develop a texture resembling that of an […]

Japanese Beetle – How to control or kill

Japanese Beetle Description: Metallic green/copper adult grows to 1/2″ long. Larvae or grubs are grayish-white with brown head; fat body is 3/4″ long. Adults especially like beans and corn but will eat almost any plant, often skeletonizing the leaves. Larvae chew on roots of lawn grass, bean, beet, sweet corn, onion and tomato; except during cultivation, they are seldom noticed, […]

Iris Borer

Iris Borer Description: Eggs overwinter in stems of iris and other debris. After eggs hatch they must crawl to the base of the iris to bore into stems. During this migration they are susceptible to Grub-Away Nematodes. Infested leaves are yellow from the tip back, have notches on the edge; plants lose vigor; many fail to bloom. Solution: Grub-Away Nematodes […]