Thistle Before and After/ Fall & Late Summer Information

BEFORE Deer in a Canadian thistle thicket

AFTERMeadow following Canadian thistle removal

Canada Thistle (Late Summer)

You might as well mow the area now (saving the step of cutting the seed heads only).  We can’t stress enough that if you will use a bag on your mower to collect all cuttings, you will greatly reduce the number of seeds left on the ground to germinate next year. Continue reading “Thistle Before and After/ Fall & Late Summer Information”

Dalmatian Toadflax

Dalmatian ToadflaxDALMATIAN TOADFLAX

Linaria dalmatica ssp. dalmatica
Figwort Family

Colorado Dept. of Agriculture Class B

Aliases: Balkan toadflax, broadleaf toadflax, wild snapdragon, smooth toadflax
Perennial: Forb
Flowers/Fruit: Seeds Mature July – September. (Oct. after the 1st year)
Flowers: Snapdragon type, bright yellow, tinged with orange,  1-1/2″ long spur. The upper lip is 2-lobed and the lower is 3-lobed.
Bloom: May – August Continue reading “Dalmatian Toadflax”

Diffuse Knapweed

Diffuse KnapweedDIFFUSE KNAPWEED

Centaurea diffusa Lam. Asteraceae (sunflower family)

Colorado Dept. of Agriculture Class B

List B Eradication Required

Aliases: Spreading Knapweed, tumble knapweed, white knapweed
Annual: (1 yr life cycle). Most commonly a short-lived perennial (survives the winter but doesn’t do well the 2nd yr.); occasionally a biennial (needs 2 yrs to complete its life cycle).

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Common Mullein

Common Mullein

COMMON MULLEIN

Verbascum thapsus L. (Scrophulariaceae)
Colorado Dept. of Agriculture C List for Containment

Dig the rosettes or spray. Cut off flowering heads and Bag

Aliases: Aaron’s rod, Adam’s flannel, beggar’s blanket, beggar’s flannel, beggar’s stalk, big taper, blanket herb, blanket leaf, bullock’s lungwort, candlewick plant, clot, clown’s lungwort, cow’s lungwort, cuddy’s lungs, devil’s tobacco, duffle, feltwort, flannel leaf, flannel plant, fluffweed, golden rod, great mullein, hag’s taper, hare’s beard, hedge-taper, ice leaf, Jacob’s staff, Jupiter’s staff, lungwort, miner’s candle, mullein, mullein dock, old man’s flannel, Our Lady’s flannel, Quaker rouge, rag paper, shepherd’s club, shepherd’s staff, St. Peter’s staff, torches, torchwort, velvet dock, velvet plant, white man’s footsteps, wild ice leaf, witch’s taper, woolen, wooly mullein.

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