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Amsonia 'String Theory'

Amsonia 'String Theory'

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A spring-flowering perennial that provides foliage and texture interest throughout summer. Light periwinkle blue flowers are produced above dark green, threadleaf leaves.

Plant Type:  Perennial
Garden Height: 18 - 22 Inches
Spread: 32 - 36 Inches
Flower Colors:  Blue
Foliage Colors:  Green
Light Requirement: Part Sun to Sun 

Bloom Time: Late Spring - Early Summer
Hardiness Zones: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b