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Product Description

Silphium is an ancient Greek term for "resinous juices". Integrifolium is the latin word meaning "with entire or uncut leaves".

Sun Exposure               Prairie
Soil Moisture Wet Mesic, Mesic, Dry Mesic, Dry
Bloom Time

Summer, Fall                       July, August, September

Bloom Color Yellow
Max Height 5 feet
Wetland Code UPL
Germ Code  C(60)
Seeds Per Ounce   1,200


Found throughout the tallgrass Prairie region and south on mesic prairies. Bright yellow flowers bloom from June through August. Leaves are joined at the stem similar to S. perfoliatum. Generally 4 to 5 feet in height.

Edible Uses: Unknown

Medicinal Uses: Unknown

Herbal Uses: Unknown

Product Videos

Rosinweed - Silphium integrifolium blooming at Ion Exchange (01:05)
Earthyman views Rosinweed (Silphium integrifolium) in full bloom at Ion Exchange native seed and plant nursery in northeast Iowa. http://www.ionxchange.com
  • Rosinweed - Si...
    Earthyman views Rosinweed (Silphium integrifolium) in full blo...
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