Sierra Ragwort

Senecio scorzonella

Sierra Ragwort

Pieter Pelser

Taxonomy

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

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul, aug
Bloom Colors:
Yellow

Native Range

United States: California, Nevada

Keystone Species Ranking

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

Reported Fauna Sightings

Bees: Forest bumble bee (Bombus sylvicola), Forest bumble bee (Bombus sylvicola), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky, alpine regions