Compass Plant - Silphium lancinatum

Category: Perennial
Common Name: Compass Plant
Scientific Name: Silphium laciniatum
SunConditions: Full sun
SoilConditions: Loamy, well-drained; tolerates poor/clay soils; drought tolerant once established (deep taproot up to 10-15 ft)
Height Range: 5-9 ft (to 12 ft)
Width Range: 1-3 ft
Bloom Time: July-September (summer)
Bloom Color: Yellow
Seed/Fruit Production: Cypsela (achene-like) seeds favored by birds and small mammals
Foliage Color: Green; large, deeply cut basal leaves that orient north-south
Growth Habit: Upright, clump-forming with basal rosette and tall flower stalks
Growth Rate: Slow to establish (deep taproot); long-lived once mature (up to ~100 years)
For More Info: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=f580