Bob Jenkins Pest & Lawn Care Services can handle all of your weed control problems. Our Lawn Care Services can rid your yard of weeds. Here are some of the more common weeds in San Antonio.
A variety of thistles are found in turf. Like most, bull thistle is a biennial. It grows over the summer months. The leaves are alternate; blades are simple and form in a rosette. The leaves are unlobed to pinnately lobed. The blade tip is pointed and the margins are toothed with spines. The root is a fleshly taproot the first year and a fibrous root system forms the second year.
Henbit can grow from 4 to 12 inches tall on weak stems. Although an upright plant, weak stems sprouting from the bottom may lay almost horizontal. Henbit can be confused with purple dead-nettle. The leaves of purple dead-nettle, however, are more pointed at the end and are slightly scalloped. The lower leaves of purple dead-nettle are on long petioles, the upper leaves are on short petioles.
Annual bluegrass contains both annual and perennial species. Annual bluegrass forms dense patches that can withstand low mowing heights. Annual bluegrass has a boat-shaped tip, folded in the bud. The ligule is membranous and auricles are absent. Annual bluegrass has a small panicle seed head. Germination occurs in late summer and early spring. Annual Bluegrass is found throughout the United States and Canada.
Crabgrass is a summer annual that germinates when soil temperatures reach a consistent 55 degrees F and is generally killed at the first frost. Crabgrass leaves are rolled in the bud; the first leaf appears short, wide and blunt-tipped. The ligule is tall and membranous with jagged edges, and the auricles are absent. The collar is broad with long hairs. Crabgrass is light green in color, coarse bladed and will root at the nodes when they touch the ground. A single crabgrass plant can produce up to 700 tillers. It is a bunch type grass. The inflorescence is a panicle of branches, with spikelets in two rows. A crabgrass plant can produce 150,000 seeds. Crabgrass needs warm soils and sunlight to germinate.
Crabgrass is found throughout the United States.
If you're having problems with any of these weeds,
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