envlc

Flowers: tiny, yellow, four petals with hanging seed pods which dry to black Leaves: thick , up to 2‘ long, obvious white mid-vein Stems: up… Read More »Weed of the week: Dyer’s woad

Flowers: pink, in dense heads, bracts with papery margins Leaves: blue-green, slightly hairy, lower ones with lobes Stems: up to 3 feet tall Reproduction: seeds,… Read More »Weed of the week: Russian Knapweed

Flowers: small, yellow clusters Fruits: silver to tan, olive-like Stems: up to 25’ tall with long thorns Leaves: narrow, 3” long, silvery Reproduction: seeds Problems:… Read More »Weed of the week: Russian Olive

Flowers: small, white, 4 petals, in “flat-topped” clusters Leaves: toothed, lance-shaped Stems: up to 2 feet tall Reproduction: roots (up to 450 new shoots/year), seeds… Read More »Weed of the week: Hoary Cress

Flowers: pink to purple with dark spots under the flowers Leaves: deeply divided and are smaller near the top of the plant Stems: up to… Read More »Weed of the week: Spotted Knapweed

Flowers: small, white, 4 petals, in clusters at top of plant Leaves: toothed, lance-shaped Stems: from 1 to 8 feet tall Reproduction: seeds, creeping roots… Read More »Weed of the week: Tall Whitetop

Flowers: small, pink, in clusters Leaves: needle-like, deciduous Stems: small, reddish, smooth Reproduction: billion of seeds Problems: displaces native riparian vegetation; salt accumulation To learn… Read More »Weed of the week: Salt Cedar or Tamarisk

Flowers: Purple, up to 1” in diameter, spiny green bracts Leaves: Dark green, up to 1’ long narrow, spine-tipped lobes with small hairs and bumps… Read More »Weed of the week: Bull or Spear Thistle

Flowers: purple, up to 3” in diameter, bracts large like an artichoke Leaves: up to 10 “ long, narrow, spine-tipped, with whitish edges Stems: up… Read More »Weed of the week: Musk Thistle

Flowers: greenish, yellow with green , three chambered seed pods Leaves: small, lance shaped, slightly wavy along edge Stems: up to 4 feet tall Reproduction:… Read More »Weed of the week: Leafy Spurge