Cirsium edule is a tall herbaceous perennial plant, reaching 1–2 m (39–79 in) in height. The leaves are very spiny, lobed, 10–30 cm long and 2–5 cm broad (smaller on the upper part of the flower stem). The inflorescence is 3–4 cm diameter, …

2020年7月1日 · Edible Thistle, or Cirsium edule, is native to western North America, from southeastern Alaska south through British Columbia to Washington and Oregon. The leaves are very spiny and flower heads are pink.

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon. Habitat: Forest openings and edge, meadows, roadsides, and other open areas at low to middle elevations in the mountains. Flowers: July-September. Origin: Native. Growth Duration: Biennial, Perennial. Conservation Status: Not of concern.

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Although you will have difficulty finding this at any nursery, once you learn to identify it, you may be able to obtain a seed head from a friend. If you notice a thistle that is fuzzy, tall and robust …

Cirsium edule Indian Thistle Stems erect, hairy, succulent and stout in lower portion, becoming thin above. Leaves lance-shaped, lobed or coarsely toothed, with spiny tips. Leaves covered with woolly hair when young, becoming less hairy with age, but midrib hairs persist on underside.

Species: Indian thistle, edible thistle, Cirsium edule. Range: Cascades to Coast in Washington to Central British Columbia and S. Alaska. It is hardy to zone 7. Climate, elevation: Moist climate,30 to 2100 meters, average 784. Local occurrence: Counties in Washington State. Washington.

The Edible Thistle, known scientifically as Cirsium edule, is a perennial herbaceous plant native to North America. Belonging to the Asteraceae family, this thistle is particularly renowned for its tender, edible parts, making it a valuable resource for both wildlife and humans.

Cirsium edule is a polymorphic species much in need of an in-depth field-based investigation. R. J. Moore and C. Frankton (1962) noted that in the northern part of its range, C. edule occurs mostly at elevations from 300 to over 2100 m. However, along the Oregon coast the species occurs on sea bluffs a few meters above the surf.

Cirsium edule is a PERENNIAL growing to 2 m (6ft 7in). See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from July to August, and the seeds ripen from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, Lepidoptera (Moths & Butterflies), beetles.