Silphium laciniatum
(NGN)
Compass Plant
Yellow sunflower-like flowers that attract bees and parasitic wasps on top of stalks up to 12'. Large, flat, deeply divided, rough foliage. Leaves sit close to the ground in a cluster with each leaf reaching lengths of 18". The edges of many of the leaves point north and south, hence the name Compass Plant. Prefers dry soils.
Height: 6-8 ft
Width: 24-36 in
Soil Conditions: Moist/Well Drained
Flower Color: Yellow
Bloom Time: May,June,July,August,September,October
Hardiness Zone: 3 TO 9