• Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: Mark Hutchinson, Hernando Chapter, FNPS
  • Photo by: NULL

Silphium asteriscus

starry rosinweed

Nomenclature

Common Name:

starry rosinweed

Synonym(s):

Genus species:

Silphium asteriscus

Family:

Asteraceae (Compositae)

Plant Specifics

Form:

flower

Size:

2.0 to 5.0 ft tall by 1.0 to 2.0 ft wide

Life Span:

Long-lived perennial

Flower Color:

yellow

Fruit Color:

Phenology:

Dormant in cold areas but may grow year-round where warm.

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Wildflower garden.

Considerations:

Text

Availability:

Text

Propagation:

Text

Light:

Text

Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â–¡â– â– â– â– â– â– â– â– â– â– â– â– â– â– â– â– â– â– â–¡â–¡â–¡â–¡â–¡â–¡

Somewhat moist, no flooding -to- Somewhat long very dry periods

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand, Loam

Soil pH:

5.1 to 7.6

Suitable to Grow In:

8A,8B,9A,9B,10A

Ecology

Wildlife:

Pollinators, Butterflies, Birds



  • Attracts butterflies


  • Attracts bees


Seeds eaten by birds.

Native Habitats:

Moist roadsides, flatwoods, sandhill, scrub.

Comments:

Ethnobotany:

General Comments:

The bloom period is relatively long - lasting from early spring, well into fall.