Texas Thistle

Cirsium texanum

Texas Thistle

Megan Kossa

Taxonomy

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

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
6-8 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, may, jun, jul, aug
Bloom Colors:
Pink, Violet

Native Range

United States: Missouri, Oklahoma, Texas

Keystone Species Ranking

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

Host Plant for Caterpillars

Homoeosoma stypticellum, Painted Lady (Vanessa cardui)

Reported Fauna Sightings

Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Prefers open, sunny locations in native prairies and grasslands