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Grassy & Broadleaf Weeds

Allium Vineale

Allium Vineale

Allium Vineale is a cool-season perennial with slender, hollow cylindrical leaves. It is often confused with wild onions. The easiest way to tell the difference is that there is a v-shaped channel in the leaves of the hyacinth. Its presence indicates very low calcium, very high potassium, very high magnesium, high sodium, very high chlorine, and a low bacterial count.
Annual Bluegrass

Annual Bluegrass

Poa Annua, or Annual Bluegrass, is a small tufted to clumped winter annual. It has light green to whitish spikelets in dense to open flower clusters. Its presence indicates low calcium, very high potassium, very high magnesium, very high sodium, high chlorine, low bacterial count, and poor drainage.
Bittercress

Bittercress

Bittercress leaves consist of two to four pairs of round leaflets arranged alternately along the stem, up to 12 in. high. Small white flowers occur in clusters at the end of stems. It is often found in wet, disturbed areas such as landscape beds, containers or poorly drained turf.
Blackmedic

Blackmedic

Blackmedic is a low-trailing summer annual that can act as a perennial in some conditions. It is very common in lawns stressed from compaction, heat and drought.
Broomsedge

Broomsedge

Broomsedge is a perennial weed that can be distinguished from other grasses by the flattened leaf sheaths which have obvious leaf hairs. Leaves with folded vernation arise from a basal crown. Mowing at the recommended height for the selected turfgrass and removing clippings when seed heads of grassy weeds are present help control these weedy grasses from becoming established in turf.
Buckhorn Plantain

Buckhorn Plantain

Buckhorn Plantain is a perennial with a distinctive rosette of egg-shaped leaves. Its presence indicates very low calcium, very high potassium, very high magnesium, high sodium, high chlorine, and low humus.
Buttonweed

Buttonweed

Buttonweed is a troublesome broadleaf weed in turfgrass throughout the South. This deep-rooted perennial with prostrate or spreading branches usually proliferates in moist to wet areas. The leaves are slightly thickened with green on the upper surface, light green on the lower surface and often have a mottles yellow mosaic appearance. Overwatering or excessive rainfall during growing periods may predispose the site to the invasion of buttonweed.
Chickweed

Chickweed

Common Chickweed is a winter annual with numerous branched stems. It has white flowers in small clusters at the ends of the stems. Its presence indicates very low calcium, very low phosphorus, very high potassium, high sodium, and low humus levels.
Clover

Clover

White clover is a low-growing perennial with creeping stems. It has oval leaves and white flowers arranged in round heads. Its presence indicates high magnesium, high sodium, and high chlorine. Hop clover is a perennial with hairy-branched stems. It has altering leaves with three leaflets and numerous bright yellow flowers on long stalks. Its presence indicates very low calcium, high magnesium, low humus, and sticky soil.
Common Purslane

Common Purslane

Common purslane, a summer annual broadleaf plant grows rapidly in spring and summer that thrives under dry conditions, competing well under irrigated conditions. Purslane’s distinctive succulent foliage is unlikely to be confused with other weed species.
Crabgrass

Crabgrass

Crabgrass is a spreading summer annual. It has a seedhead with two to six finger-like branches. The best control for crabgrass is pre-emergent. Its presence indicates very low calcium, very low phosphorus, high potassium, high magnesium, very high chlorine, and low humus.
Cudweed

Cudweed

In general, cudweeds have basal rosettes and the leaves are covered in distinct fine, white ‘wooly’ fibers. While only some varieties of cudweed have this hair on the undersides of the leaves, others have this hair on all surfaces. Cudweeds overwinter as small basal rosettes, but in the spring usually grow an upright stem.
Dalligrass

Dalligrass

Dallisgrass is a perennial with leaves that are smooth on both surfaces with a few long hairs at the leaf base. There is no pre-emergent control for dallisgrass. Its presence indicates low calcium, high potassium, very high magnesium, high chlorine, and low humus.
Dandelion

Dandelion

Dandelion is a deeply tap rooted, stemless perennial. It has deeply cut leaves and a single yellow flower at the end of each hollow stalk. Its presence indicates very low calcium, very high potassium, high chlorine, and low humus.
Dollarweed

Dollarweed

An erect summer annual with alternate, lanceolate leaves that have toothed margins. Fireweed is primarily a weed of pastures, abandoned fields, and some agronomic crops. Its leaves are elliptic to lanceolate in outline, approximately 2 to 8 inches long, and 1/2 to 1/2 inches wide. Their stems are erect, solid, and usually without hairs (though occasionally slightly hairy). Stems range from 1 1/3 to 10 feet in height. This weed grows in the thatch layer which is located above the pre-emergence controls, rendering such controls powerless to stop its growth. Soil deficiencies indicated by this weed include low calcium and phosphorous, high potassium and iron, and excess thatch. Correcting these deficiencies is the most effective way to prevent this weed from growing.

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Huntsville, AL   •   Birmingham, AL