Plant Type

herb

Sun

full

Soil

clay, coarse, loam, sand

Moisture

dry, moist but well drained

Size

medium herb, tall herb

Evergreen or Deciduous

deciduous

Winter Foliage

dies back to ground

Wildlife Features

Flowers - insect pollinators, Flowers - nectar for birds, Small seeds

Flowering Season

fall, summer

Bird Garden Zone

9, 10, 12, 13, 16, 17, 18

USDA Hardiness Zone

4a

Notes:

Variable in flower colour from blue to pale yellow. Some flowering often lingers into early autumn.