Insects and Diseases

Coming Soon

The tables below list the most common insects and diseases

that afflict flowers, shrubs, trees, and lawns, a short description of each,

and the recommended treatment.

Flowers

Shrubs

Vegetables

Trees

Lawns

Disease	Characteristics / Symptoms	Treatment
Brown Patch	Dead grass in lawn up to a few feet in diameter due to high temperatures and humidity.	Fungicide application / morning watering 1-2 times a week
Dollar Spot	Brown spots a few inches in diameter scattered in the lawn.	Fungicide application
Red Thread	Reddish tint on grass resulting from disease.	Lawn Fungus Control
Snow Mold	Gray-white discoloration on lawn due to prolonged snow cover.	Rake out mold to allow lawn to dry / fertilize
Rust	A disease that causes reddish discolorations on grass and can cause greater damage in shadier lawns.	Fertilization is the best solution for rust.

Insect	Characteristics / Symptoms	Treatment
White Grubs	Large, irregular shaped brown patches form in lawn in the late summer. Roots are eaten away and turf peels back like carpet.	Merit® Grub Control in June or early July to prevent grub damage. Dylox® Grub Control in late summer to kill existing grubs. Heavy watering is needed in both cases to be effective.
Chinch Bugs	Irregular brown discolorations, grass is cut and chewed at ground level.	Surface Insect Control, such as Ortho Max
Sod Web Worm	Starting in mid-Spring brown patches appear in lawn, up to a foot wide. Grass is cut at ground level.	Surface Insect Control
Bill Bug	Grub-like insect that eat at grass roots below the surface of the lawn. First signs appear in mid-June.	Merit® or Dylox®

Black Diamond Inc.

1964 Tremainsville Rd. Toledo, OH 43613 · 419-473-1409

12320 Eckel Junction Rd. Perrysburg, OH 43551 · 419-874-3060