Lawn Weeds
American Burnweed
Also known as fireweed, this weed prefers damp areas. Fireweed has small whiteish green flowers that will seed. The weed takes root in the thatch layer, not actally in the soil; when the heat of the summer rolls around it will dry up due to this. A broadleaf weed spray will kill it.
Annual Bluegrass
Annual Bluegrass also known as Poa annua, is one of the most common weeds in all of the United States. Similar ot the apperance of grass Poa Annua is a slightly differnt shade and clumps up. The best way to prevent this weed is to apply pre-emeregnts the winter before.
Bittercress
This weed is annual, and is usually one of the earliest to germinate and form seeds. Bittercress prefers a wetter soil and is most obvious after spring showers. To kill bettercress you would need to spray it with a broadleaf herbicide.
Chamberbitter
Chamberbittter is a small vertical growing weed with leaves arranged opposite of one another on the branchlet. As chamberbitter grows and matures this weed will become woody. To get Chamberbitter out of your lawn we reccomend a post-emergent herbicide.
Common Chickweed
Crabgrass
Common chickweed is an annual, but it tolerates cold weather so well that it can survive winter in mild climates. A member of the Carnation family, it is related to some of our prettiest wildflowers. It can be controlled by chemical herbicides through out the year.
Growing especially well in thin lawns that are watered lightly, under-fertilized, and poorly drained; one crabgrass plant can produce 150,000 seeds in one season. Biological control is preferable over herbicide use on lawns, as crabgrass emergence is not the cause of poor lawn health but a symptom, and it will return annually if the lawn is not restored.
Dollarweed
False Garlic
Dollarweed, also known as pennywort, is a warm-season perennial weed. Dollarweed thrives in weak, thin turf with excessive moisture. The first defense against dollarweed is to reduce moisture levels and modify cultural methods.
A persistent, perennial herb to 1 m tall with clusters of sweet scented, 6 petalled flowers, and has an annually renewed bulb and produces many seeds and underground bulbils. Herbicides are the most effective method of control, it is difficult to control manually.
Ground Ivy
Goosegrass
Goosegrass, also called wire grass, is an annual summer grass and occasionally, a perennial. Normally found in compacted areas or areas of heavy wear; It is a widespread and highly variable species that tolerates a broad range of environmental conditions, but does not survive frost. Control of goosegrass in lawns relies upon proper maintenance first and pre-emergent or post emergent chemicals for flare ups.
Ground ivy is an aggressive, low-growing perennial that favors shaded, moist areas. It creeps along the soil surface and can establish roots at each node (where the leaf attaches to the stem). Making manual removal almost impossible. Fall is the best time to apply postemergence herbicides for broadleaf weed control. Fall is, in fact, an excellent time to treat ground ivy.
Henbit
Indian Mockstrawberry
Mouse-ear Chickweed
Indian mock strawberry is a perennial, spreading by hairy stolons. Leaflets are toothed and hairy with long, hairy petioles with leaf-like stipules. Broadleaf herbicides provide good initial control.
Henbit is a sparsely hairy winter annual with greenish to purplish, tender, square stems. Its opposite leaves are broadly egg shaped with bluntly toothed margins and prominent veins on the underside. A broadleaf herbicide can abolish the Henbit.
Nutsedge
Winter annual, chickweed germinates around November and matures by March or April. Brittle stems and roots make hand weeding difficult. Pre-emergence herbicides with oxadiazon are ineffective in controlling chickweed.
Leaves are mostly basal, produced in groups of three, linear with prominent mid-vein, and have elongated leaf tip. Blades are light green, hairless and gradually taper to sharp point. Plants usually grow up to 1.5 ft in height. Nutsedge can be controlled by applying a herbicide.
Pigweed
Poison Ivy
The erect stem has fine short hairs and is freely branched. The leaves are simple, alternate, dull green, with hairs on the veins on the underside with a well developed root system. Pigweed can be easily controlled by a broadleaf herbicide.
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Spurge
Virgina Buttonweed
Spotted spurge is a prostrate to ascending, branching, mat-forming summer annual, generally about 40 cm in diameter. Stems and foliage exude a milky sap when injured. Leaves are opposite, oblong, or somewhat egg-shaped or linear. Flowers are present from July to September in the axils of the upper leaves. Spurge is best taken care of by a grassy weed herbicide.
Virginia buttonweed is an herbaceous perennial with prostrate or spreading branches. The stems are longitudinally ridged, especially below the nodes, with hairs along the ridges. Virginia buttonweed is a difficult-to-control broadleaf weed.