Rosinweed (Silphium integrifolium)
Rosinweed (Silphium integrifolium)

Rosinweed (Silphium integrifolium)

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Binomial

Silphium integrifolium
Finches eat the seeds as fast as they ripen.  Use in wildlife and prairie plantings.
 
Uses:  Bees, butterflies, wildlife, birds
Bloom time:  July - August
 
Height:  5 to 8 feet
Space:  2 to 3 feet
 
Sun:  Full sun to medium shade
Moisture:  Dry to average
 
Seed:
  • 2000 seeds per ounce
  • 1.5 ounces per 100 square feet
  • 40 pounds per acre

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