Cut-leaf Prairie Dock (Silphium pinnatifidum)
PriceFrom $4.50
Excluding Sales Tax
Silphium pinnatifidum Also Known as Cut-Leaf Prairie Dock is a 5’ to 8’ tall native perennial with large 4” wide yellow flowers. A late summer and fall flowering plant that prefers dry to medium soils in full sun sites. Its distribution is limited and it is listed as threatened or endangered in 3 of 7 states where it is native. Birds love the seed.
Species Details
| Common Name (Botanical Name) | Cut-leaf Prairie Dock (Silphium pinnatifidum) |
| Alternatative Common Names | Prairie Dock |
| Botanical Synonyms |
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| Bloom Season | Summer |
| Group | Wildflowers/Forbs |
| Bloom Color | Yellow |
| Duration | Perennial |
| Soil moisture | Dry (Xeric);Medium (Mesic);Wet (Hydric) |
| Soil texture | Coarse (Sand);Medium (Silt/Loam);Fine (Clay) |
| Sun Exposure | Full Sun |
| Status | Native |
| Wetland status | |
| pH | Acidic;Neutral;Alkaline |
| pH Values | |
| Average height | 6+ ft |
| USDA Zones | 5a;5b;6a;6b;7a;7b; |
| RNS Region | 2 |
| Planting rate/Acre | Not Recommended |
| Seeds Per Lb. | 10000 |
| Seeds Per Oz | 625 |
| Seeds Per Packet | 75 |
| Product Benefits | Aesthetic Value;Wildlife Cover;Wildlife Food;Nectar Source; |