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Amsonia Species, Stiff Bluestar

Amsoniarigida

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Family

Apocynaceae (a-pos-ih-NAY-see-ee)

Info

Genus

Amsonia (am-SO-nee-uh)

Info

Species

rigida (RIG-ih-duh)

Info

Synonym

Sun Exposure

Unknown - Tell us

Foliage

Unknown - Tell us

Height

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing

Unknown - Tell us

Hardiness

USDA Zone 3a: to -39.9 °C (-40 °F)

USDA Zone 3b: to -37.2 °C (-35 °F)

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

USDA Zone 5b: to -26.1 °C (-15 °F)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

USDA Zone 7a: to -17.7 °C (0 °F)

USDA Zone 7b: to -14.9 °C (5 °F)

USDA Zone 8a: to -12.2 °C (10 °F)

USDA Zone 8b: to -9.4 °C (15 °F)

USDA Zone 9a: to -6.6 °C (20 °F)

Danger

Unknown - Tell us

Bloom Color

Medium Blue

Bloom Time

Unknown - Tell us

Other Details

Gardener's Notes:

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positive

neutral

negative

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Amsonia Species, Stiff Bluestar

Amsoniarigida

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