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The Plant Guide

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Willow blue-star

Amsonia tabernaemontana

am-SO-nee-ah tab-er-nay-mon-TAN-ah

In addition to willow blue-star’s small but charming clusters of blue flowers in late spring, it has upright, willow-like leaves that turn clear yellow in fall.

Noteworthy CharacteristicsWill grow to 3 feet in a moist bed and only 2 feet in a sunnier dry bed.

CareGrow in full sun to light shade and average soil. Moister soil will result in a taller plant, but this Amsonia can take drier soil as well.

PropagationSow seeds in containers in spring or autumn. Divide in spring. Root softwood cuttings in early summer.


  • Genus : Amsonia
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 3, 4, 5, 6, 7, 8, 9
  • Moisture : Dry to Medium
  • Bloom Time : Early Spring, Spring
  • Light : Full Sun to Partial Shade
  • Maintenance : Low
  • Plant Type : Perennials
  • Plant Seasonal Interest : Spring Interest
  • Flower Color : White
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