PlantsFlowers
Rosinweed
Silphium integrifolium
Chicago-region native. Suited to zone 6a.
A smaller silphium, still a real prairie plant
EasyFlowers
- Light
- Full sun
- Moisture
- Medium
- Mature size
- 3–6 ft
- Spacing
- 2 ft
- Bloom or harvest
- Flowers Jul–Sep
- How it spreads
- Taproot, slow to move
- What to buy
- A deep pot or a plug. It sulks if the root is torn.
- When to plant
- May or Sep
In the design
Use this where cup plant would be too much plant. Sunny parkway or a corner that can hold a 5-foot clump. Leave the stalks.
