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Posts Tagged ‘county’

Dame’s Rocket

Thursday, August 20, 2015 AT 02:08 PM

Perennial plant and can reach 3 feet in height.

Reproduces by seed

Dame’s Rocket likes to grow along creek banks.

Flowers can be white, pink or purple, but predominantly purple.

CHEMICAL CONTROL:

Round-Up (glyphosate), Telar XP, or 2-4, D Amine.

MECHANICAL CONTROL:

Tillage combined with cultural control (planting of desired plants) can be effective.

 

 

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Cheatgrass

Thursday, June 27, 2013 AT 03:06 PM

Bromus tectorum

This is a winter annual plant that grows from 4 to 30  inches tall.

It spreads by seed.

Entire plant is convered with dense, soft hair.

Seed heads are 2 to 6 inches long and “drooping”.

Awns up to 5/8 of an inch long turn purplish at maturity.

Standard name is “downy brome”.

Cheatgrass is native to the Europe, Africa, and Asia and was introduced to North America in packing material. It is highly invasive in the dry western states and forms monocultures that are both a nuisance and a fire hazard. Seeds stick in clothing, shoes, and fur. Mature plants are not palatable to livestock. It invades pastures, prairies, and rangeland areas. This plant is found throughout Natrona County.

CHEMICAL CONTROL:

Chemical applications in the late fall are beginning to show promise! Cultural control (planting of desirable grasses) is helpful after chemical applications.  Call your local weed district for specific recommendations.

Wild Licorice

Thursday, June 27, 2013 AT 03:06 PM

Glycyrrhiza lepidota

This is a perennial plant growing 1 to 3 feet tall.

It spreads from deep rootstocks or by seed.

Leaves are pinnately compound with 11 to 19 lanceolate leaflets.

Flowers are green-white to white in short axillary spikes.

Seeds pods are 1/2 to 3/4 inch long reddish-brown burs.

Also called “American licorice”.

Wild licorice is native to North America, but can become invasive and weedy in moist soils. It is found throughout Natrona County in riparian areas, ditchbanks, pastures, and waste areas.

CHEMICAL CONTROL:

Call your local weed district for recommendations.