- Native Vegetation Enhancement
- Wild Ones Handbook
- Homeowners' Resources
- Landscaping Naturally (video)
Remember, we will not post any information intended to directly benefit for-profit enterprises
Green Landscaping: Greenacres
Native Plants of the Great Lakes
North Branch Restoration Project Seed Book
Silphium Integrifolium / Family: Asteraceae
Rosin Weed, Swink/Wilhelm # 5
|Click to view larger photo|
FLOWERING: July - September
SEED TIMING: Mid-September to mid-October
DIAGNOSTIC FEATURES: 2 - 6 feet. Sunflower like flowers. Large, coarse plants with rough, stalkless, paired leaves, with or without teeth.
TO PICK: Sunflower-like seeds form in rays only. Turn dry and brown when ripe. Best to pick at earlier stage since it is eaten perhaps by deer. Pick entire head.