Insect and Disease Control

General Tree Spray

Protects against disease such as scab, rust, powdery mildew and insects aphids, leaf hoppers, and tent caterpillars. Trees are sprayed three times a year beginning at leaf emergence and then in 4 to 6 week intervals.

download fact sheet Cooley Spruce Gall

Cooley Spruce Gall

Protects the Colorado, Norway and White Spruce. Sprayed in early spring to make contact with trees buds.

download fact sheet Diplodia Tip Blight

Diplodia Tip Blight

Protects the Austrian, Scotch and Red Pines. This two application process is sprayed in early spring to make contact with trees buds then again two weeks later.

download fact sheet Birch Tree Injection

Birch Tree Injection

Protect your birch trees against Birch Leaf Miner and Bronze Birch Borer. This product is injected into the soil or trunk depending on the timing or the application.

download fact sheet Needle Cast

Needle Cast

Protects Spruce and Douglas Fir. Two spray applications are applied first when new growth opens up and needles are visible then the second application is applied approximately 2 weeks later when needles are 1 to 2” long.

download fact sheet Dormant Oil Spray

Dormant Oil Spray

This horticultural oil is sprayed on foliage and bark of infested trees and shrubs to smother insect eggs and scale insects.

download fact sheet Scale Insect Spray

Scale Insect Spray

Sprayed on foliage and bark of trees and shrubs infested with scale crawlers in June or mid-July.

download fact sheet Pine Shoot Borer

Pine Shoot Borer

Protects the Austrian, Mugo and Scotch Pine. Trees are sprayed in late April.

download fact sheet Sawfly Larvae

Sawfly Larvae

Protects Scotch, Austrian, and Mugo Pines. Foliage is sprayed in late spring to early summer.

download fact sheet Gypsy Moth

Gypsy Moth

Gypsy moth can feed on leaves of more than 300 species of trees and shrubs. Favorites include oaks, aspens,
birches, lindens, sweetgum, crabapples, hawthorns, mountain ash, and willows.

download fact sheet Pin Oak Iron Injections

Pin Oak Iron Injections

The most common micronutrient deficiencies seen in pin oak are marked by pale green or yellow leaves, with veins that remain green. As the deficiency continues, new growth is stunted, branches may die back, and the margins and interveinal areas of leaves may become brown. In severe cases, the entire tree may decline over several years and die. The trunk is injected in late April to early Spring with Iron.