Silphium trifoliatum

Whorled Rosinweed

Clump-forming species; seeds provide food for birds; source of nectar for butterflies.

General Product Information

• Species Type:

  Native

• Product Categories:

  Herbaceous Flowering Species, Pollinator Favorites, Uplands & Meadows

• Habitat:

  Roadsides, dry fields, meadows.

• Life Cycle:

  Perennial

• Bloom Period:

  July to September

• Flower Color:

  Yellow

• Typical Height:

  8.1 ft

• Pollinator Value:

  High

Indicator Regions

• Northcentral & Northeast:

  NI

• Midwest

  NI

• Eastern Mountains and Piedmont:

  NI

• Atlantic and Gulf Coastal Plain

  NI

View Map & Key

Tolerances

Seed Information

• Approximate seeds per lb:

  20,800

• Seeding rate per acre in a mix:

  Up to 0.20 lb

• Truax Seedbox:

  Fluffy