Plant: deciduous shrub to 4'
Origin: North American short grass plains and mountainsides from New Mexico to Saskatchewan
Zone: 3 - 8
Flowers: tiny, fragrant, purple flowers crowded onto spikes.
Foliage: pinnately compound leaves are small and hairy to reduce water loss.
Culture: full sun in well drained, average to poor soil. Great with other prairie or rock garden plants that don't need much water. Protect from rabbits in winter.