Pest Library

Amaranth, palmer

Amaranthus palmeri is a species of edible flowering plant in the amar...

Barnyard Grass

A summer annual with thick stems that may reach 5 feet in height. On...

Bermudagrass - Wiregrass

Bermudagrass blades are a grey-green color and are short, usually 2-1...

Bittercress

Bittercress grows to about 30-60 centimetres (12-24 in) of height, wi...

Broadleaf Plantain

Broadleaf Plantain is a shallow mostly fibrous rooted perennial. The ...

CanadaThistle

Canada thistle (Cirsium arvense) is an aggressive, creeping perennial...

Carpet Weed

Carpetweed is a summer annual with smooth prostrate branching stems f...

Chickweed

Chickweed is a prostrate, winter annual that is found throughout Nort...

Common Groundsel

Common groundsel is a winter annual member of the aster family. Groun...

Common Sow Thistle

A Perennial herbaceous plant with a single stem and branches near the...

Crabgrass

Crabgrass is a summer annual that germinates when soil temperatures r...

Dallisgrass

Dallisgrass is a warm season coarse perennial which is light green in...

Dandelion

The leaves are 5-25 cm long or longer, simple and basal, entire or lo...

Fall Panicum

This native grass is a summer annual about 1“- 4' tall. It is often t...

Giant Ragweed

Giant Ragweed also known as Buffalo Weed, Great Ragweed, Bitterweed, ...

Goosegrass

Goosegrass is a coarse, bunch-type grass that forms a basal rosette o...

Ground Ivy

Ground ivy is a creeping winter perennial. The leaves are round to ki...

Hedge Mustard

This is an introduced annual plant about 1.5' to 3.5' tall that branc...

Henbit

Henbit is a winter annual occasionally found in lawns in early spring...

Milkweed

The milkweeds, is a genus of herbaceous perennial, dicotyledonous pla...

Morning Glory

Morning glory (Ipomoea species) is a popular, annual, flowering vine ...

Musk Thistle

Musk thistle is a biennial weed that reproduces only from seed. The ...

Pennsylvania Smartweed

Pennsylvania Smartweed, a native annual plant is 1-4' tall, branching...

Pigweed - Amaranthus palmeri

Pigweed (Amaranthus palmeri) is a species of edible flowering plant i...

Pitted Morningglory

Pitted morningglory is a member of the Convolvulaceae or morningglory...

Poa annua

Poa annua, also known as annual meadow grass or more commonly as annu...

Poison Ivy

Poison Ivy is a three leaf plant or vine that grows throughout North ...

Prostate Pigweed

Postrate Pigweed is a summer annual with branched stems up to 2' long...

Purple Nutsedge

Purple Nutsedge is a perennial plant, that may reach a height of up t...

Purslane

Purslane is a summer annual with prostrate growth from a tap root and...

Red Clover

Red Clover is a perennial with trifoliate leaves and pink to red flow...

Redroot Pigweed

Redroot pigweed is a summer annual broadleaf weed that is typically a...

Spotted Spurge

Spotted spurge is a summer annual with a taproot; it has an open and ...

Sunflower

Sunflower is an annual, erect, broadleaf plant with a strong taproot ...

Virginia Buttonweed

Virginia buttonweed is an herbaceous perennial with prostrate or spre...

White Clover

White clover, found throughout the United States, is a shallow rooted...

Wild Buckwheat

Wild Buckwheat is an annual twining or trailing vine that may reach a...

Wild Violet

Wild violet is a winter perennial, growing 2 - 5 inches tall. It can ...

Yellow Foxtail

Yellow foxtail forms a coarse, upright or prostrate, bunch-type grass...

Yellow Nutsedge

Yellow Nutsedge (Cyperus esculentus L.) is a common weed found in man...