Brassicaceae
Sisymbrium officinale

Hedge Mustard

Stem single, stiff, erect, with branches only near top. Stem has spreading or sharp hairs. Leaves pinnately divided; lower leaves 2–3 pairs of lobes and wide, rounded terminal lobe. Upper leaves reducing in size, becoming linear, sessile, pressed against outer branches. Flowers small, pale yellow. Seedpods erect, sometimes pressed to branches, 1/3–1 in. long, tapering to sharp point. A weed growing in disturbed soils, gardens, roadsides, below 7000 ft.

  • Rarity: Locally Common
  • Flowering Time: All Spring And Summer
  • Life Cycle: Annual
  • Height: 6--36 inches
  • Habitat: Disturbed, Meadow, Coastal
  • Found In: Olympic NP, Mt. Rainier NP, N Cascades NP
  • Native: No