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Bluestar (Amsonia tabernaemontana), Perennial

Varieties We Bring In

StandardAmsonia tabernaemontanaFringedAmsonia tabernaemontana
Sizes & Pricing
1 galFrom$9.95

Last received Jul 19, 2026.

We bring this in seasonally, so what is on the lot changes week to week. A received date shows when it last came in, not that it is here today.

Call (904) 471-0440 to confirm this plant and size before you make the trip.

LightFull Sun, Part Sun
WaterModerate
Mature size2-3 feet × 2-3 feet

Pet toxicity: not on file, check before planting where pets chew

Pet safety guide

About Bluestar

Bluestar (Amsonia tabernaemontana) is a native perennial of the eastern United States with upright stems bearing lance-shaped leaves and clusters of pale blue, star-shaped flowers in spring. The willowy foliage turns bright golden-yellow in autumn, making it a standout plant for three-season interest in native and perennial gardens.

Plant details

Bloom Season
Spring
Flower Color
Blue
Growth Rate
Moderate
Foliage
Deciduous
Soil
Sandy, Loam, Clay, Well-drained

Best planting months

Recommended forZone 9b · St. Augustine, FL

Recommended months: March, April, May, September, October, November.

January, other month
February, other month
March, good window
April, good window
May, good window
June, other month
July, other month
August, other month
September, good window
October, good window
November, good window, this month
December, other month
This monthGood windowOther months

Seasonal care

Bloom season. New foliage emerges. Good planting window.

Care essentials

Light

Bluestar performs best in full sun to part shade; in NE Florida's intense summer heat, afternoon shade helps prevent foliage scorch and prolongs the attractive summer foliage. It is rated to zone 9 but may struggle with prolonged heat and humidity — provide good air circulation.

Water

Water regularly during the establishment period; once established, Bluestar is moderately drought-tolerant. Avoid waterlogged conditions, especially in Florida's sandy soils. Consistent moisture during spring bloom period produces the best flower display.

Soil & Fertilizer

Adaptable to sandy, loamy, or clay soils as long as drainage is adequate. Apply a light balanced slow-release fertilizer in early spring. Cut plants back by one-third after bloom to encourage bushier growth and reduce flopping. Bluestar is a long-lived perennial at the southern edge of its range in zone 9b — ensure good drainage to avoid root rot in Florida's wet summers.

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Common questions

Is Bluestar a good plant for St. Augustine?

Bluestar is a perennial. Mature size: 2-3 feet × 2-3 feet. Light: Full Sun, Part Sun. Water needs: Moderate. Bluestar is native to Florida. Recorded hardiness zone: 9a.

Care information verified from

Last reviewed June 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.