Yellowspine Thistle

Cirsium ochrocentrum

Yellowspine Thistle

Clarence A. Rechenthin

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Cirsium
Species:
Cirsium ochrocentrum

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun, jul, aug, sep
Bloom Colors:
White, Red, Pink, Purple

Native Range

United States: Arizona, California, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Utah, Wisconsin, Wyoming

Keystone Species Ranking

Bee Keystone:
★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid and semi-arid regions