Family:
Fabaceae (Pea Family)
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Hardiness Zones: 3-9
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Height: 3-4 feet
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Spread: 3-4 feet
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Bloom Time: June to July
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Bloom: violet-blue pea-like flowers atop
4-16 inch long woody stems above foliage mound; inflated seed pods (2-3 inches
long) ripen to charcoal black and rattle
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Light: full sun to
part shade
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Soil: gravelly,
sandy, or loamy well-drained; tolerates poor soils
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Moisture: dry to medium;
drought tolerant
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Use: naturalized
areas; cottage, meadow, or pollinator gardens; specimen plant; backdrop to
other perennials; attracts butterflies and hummingbirds; cut flowers; seed pods
in dried arrangements
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Care: low
maintenance; if desired, trim or shear after bloom to maintain rounded form and
prevent seed formation; cut back stems before spring growth
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Concerns: no serious
insect or disease problems except weevils in seed pods; taller plants may need
to be staked for support, especially in part-shade locations
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Native to: eastern United
States; Wisconsin native
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Notes: perennial
legume; bush-like foliage with trifoliate blue-green leaves (each leaflet to 2
inches long) turn silver gray in late fall; has deep roots once established;
division during dormancy is possible after 4-5 years; black walnut tolerant; salt tolerant; deer and rabbit resistant
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Supplier: The Flower
Factory
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Teaching Garden
Location & Code: Naturalistic
Garden H133
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