Silphium Species, Starry Rosinweed
Silphiumasteriscus

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Silphium (SIL-phee-um)
Species: asteriscus (ass-ter-IS-kus)

Synonym:Silphium gatesii

Synonym:Silphium laevigatum

Synonym:Silphium scaberrimum

Category

Water Requirements

Sun Exposure

Foliage

Foliage Color

Height

Spacing
18-24 in. (45-60 cm)

Hardiness

Where to Grow

Danger

Bloom Color

Bloom Characteristics

Bloom Size

Bloom Time

Other details

Soil pH requirements

Patent Information

Propagation Methods

Seed Collecting