Silphium perfoliatum

Cup Plant

Robust long-lived legume; best established by planting in the fall as a dormant seeding with germination occurring in the spring; may be used as forage for domestic animals with multiple cuts; high potential as a bioenergy crop; provides food for birds and wildlife.

General Product Information

• Item Number:

  SILPER01

• Species Type:

  Native

• Product Categories:

  Herbaceous Flowering Species, Pollinator Favorites, Uplands & Meadows, Wet Meadows & Wetlands

• Characteristics:

  Large leaves; thick stems.

• Habitat:

  Floodplains, abandoned fields, moist meadows.

• Bloom Period:

  July to September

• Flower Color:

  Yellow

• Minimum Root Depth:

  12 in

• pH:

  4.5 – 7.5

• Pollinator Value:

  High

Indicator Regions

• Northcentral & Northeast:

  FACW

• Midwest

  FACW

• Eastern Mountains and Piedmont:

  FAC

• Atlantic and Gulf Coastal Plain

  FAC

View Map & Key

Tolerances

• Shade:

  Moderate

• Drought:

  Low

• Salt:

  No

Seed Information

• Approximate seeds per lb:

  100,000

• Truax Seedbox:

  Fluffy