Virginia Green Blog

Fall Seeding of Tall Fescue

Grady Miller, Professor and Extension Specialist Fall is the best time for renovation and seeding of cool-season lawns. In a normal year, we expect an increased chance for rainfall and cooler temperatures within the first few weeks in September. This makes an ideal time for fall renovation. With the long duration of hot and dry […]

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Lawn Weeds: Sun Spurge: Euphorbia helioscopia

Weed Description:  A winter annual that grows prostrate along the ground with tips and upper stem portions ascending (decumbent growth habit). All parts of the plant emit a milky sap when cut. Sun spurge is a somewhat rare weed of pastures, hayfields, and winter small grains in Virginia. Stems:  Stout, growing prostrate along the ground with tips […]

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Lawn Weeds: Cypress Spurge: Euphorbia cyparissias

Weed Description:  An invasive perennial that reproduces by seed and lateral root buds. Cypress spurge emits a milky sap when broken, and is very similar to leafy spurge, which is an extremely aggressive weed that more commonly occurs in the western United States. Cypress spurge is a weed of pastures, hay fields, fence rows, roadsides, and […]

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Lawn Weed: Bermudagrass or Wire Grass: Cynodon dactylonname

Weed Description:  A perennial grass that has both rhizomes and stolons and is capable of forming a turf or mat of fine leaves. Several varieties of bermudagrass are cultivated for use as lawn and pasture grasses, however this weed has developed into a very troublesome and hard-to-control weed in agronomic crops, landscapes, nurseries, and turfgrass. Bermudagrass […]

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Lawn Weeds: Dallisgrass & Broomsedge

Dallisgrass Dallisgrass is a warm-season, perennial clumping grass in the Paspalum family.  Well adapted to a variety of soils, it can be a major weed of turfgrass, often resembling crabgrass.  Crabgrass is an annual plant controlled with pre-emergent herbicides while Dallisgrass is a perennial for which there is no selective control. Dallisgrass is primarily a […]

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Caper Spurge or Mole Plant: Euphorbia lathyris

Weed Description:  Caper Spurge is an annual with opposite, lanceolate leaves that is often grown as an ornamental. All parts of these plants emit a milky sap when broken. It occasionally occurs as a weed of landscapes, roadsides, and pastures, but is not very common. It’s found throughout Virginia, North Carolina, Georgia, and West Virginia. […]

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Weed: Sericea Lespedeza: Lespedeza cuneata

Weed Description:  A perennial with erect stems that may reach 5 feet in height. Sericea lespedeza is often a weed of pastures, hay fields, roadsides, and abandoned fields. It is found throughout the southeastern United States. Leaves:  Leaves are arranged alternately along the stem and are divided into 3 smaller leaflets. Individual leaflets range from 1/2 to […]

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Weed: Purple Nutsedge: Cyperus rotundus

Weed Description:  A perennial from rhizomes and tubers that may reach 2 1/2 feet in height. The stems are 3-sided and triangular in cross section and the leaves are yellow to green in color with a distinct ridge. Found throughout the southeastern United States as a common weed of agronomic and horticultural crops, nurseries, turfgrass, and […]

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Virginia Buttonweed

Scientific Name: Diodia virginiana Family: Rubiaceae Type: Broadleaf Lifecycle: Perennial Habit: This spreading perennial is often found growing in mats, flowers from June through November. Leaves: The simple, opposite leaves are lance shaped, and grow from 1 1/4 to 2 1/2 inches long, and up to an inch wide. The leaves are joined across the […]

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Lawn Diseases: Pythium Blight

Forecasted weather patterns will be favorable for Pythium blight to start showing up on cool-season turfgrasses. With afternoon showers and nighttime temperatures over 70, conditions will be ideal for this disease to do some damage, particularly in tall fescue. Preventative measures should be taken now before the average daily temperature gets too high for cool-season […]

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