Jump to main content.


Greenacres Links

Landscaping Resources 

Back to Index


exit EPA (About PDF)

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

HABITAT: Prairies

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.

 


Local Navigation


Jump to main content.