Ballhead Ragwort

Senecio sphaerocephalus

Ballhead Ragwort

Andrey Zharkikh from Salt Lake City, USA

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Senecio
Species:
Senecio sphaerocephalus

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar, apr, may, jun
Bloom Colors:
Yellow

Native Range

United States: Colorado, Idaho, Montana, Nevada, Oregon, Utah, 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:
well-drained, sandy or loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny habitats