Silphium perfoliatum

Cup Plant

Robust long-lived species; 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

• Species:

  Cup Plant

• 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.

• Life Cycle:

  Perennial

• Bloom Period:

  Summer/Fall

• Flower Color:

  Yellow

• Typical Height:

  8.5 ft

• 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:

  22,000

• Seeding rate per acre in a mix:

  Up to 0.2 lb

• Truax Seedbox:

  Fluffy

Included in mixes

• Multi-functional Native Pasture Mix