A native prairie shrub with silvery-grey foliage and spiky blue-purple flower spikes that attract pollinators. Extremely drought-tolerant once established and valuable for xeriscaping and prairie restoration.
Overview
Form
Mounding
Growth Rate
moderate
Size
1–4′ tall × 2–4′ wide
Dormancy
deciduous
Tolerances & Soil
high
Zone 3aZone 9b
1471013
ColderWarmer
Zone range: Zone 3a to Zone 9b
pH Range
5.58
7.0
3.556.589
pH range: 5.5 to 8
Soil Texture
Coarse, Medium
Seasonality
Bloom Season
J
F
M
A
M
J
J
A
S
O
N
D
Season of Interest
SpringSummer
Shrub
Woody multi-stem plants at eye level.
Succession Role
pioneerearly successional
Native to the United States
Native Range
Great Plains and Central North America
Native to: Colorado, Iowa, Illinois, Indiana, Kansas, Michigan, Minnesota, Missouri, Montana, North Dakota, Nebraska, Oklahoma, South Dakota, Texas, Wisconsin, Wyoming