Photo by Melody

PlantFiles: Eastern Bluestar, Woodland Blue Star, Willow Amsonia, Blue Dogbane
Amsonia tabernaemontana

Family: Apocynaceae (a-pos-ih-NAY-see-ee) (Info)
Genus: Amsonia (am-SO-nee-uh) (Info)
Species: tabernaemontana (tab-er-nay-MON-tah-nuh) (Info)

Synonym:Amsonia tabernaemontana var. tabernaemontana

11 vendors have this plant for sale.

44 members have or want this plant for trade.

View this plant in a garden


24-36 in. (60-90 cm)

24-36 in. (60-90 cm)

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)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade

Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Light Blue

Bloom Time:
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing the rootball

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds

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By poppysue
Thumbnail #1 of Amsonia tabernaemontana by poppysue

By frostweed
Thumbnail #2 of Amsonia tabernaemontana by frostweed

By Terry
Thumbnail #3 of Amsonia tabernaemontana by Terry

By Floridian
Thumbnail #4 of Amsonia tabernaemontana by Floridian

By Floridian
Thumbnail #5 of Amsonia tabernaemontana by Floridian

By kniphofia
Thumbnail #6 of Amsonia tabernaemontana by kniphofia

By gregr18
Thumbnail #7 of Amsonia tabernaemontana by gregr18

There are a total of 21 photos.
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6 positives
2 neutrals
No negatives

Gardeners' Notes:

Positive Gabrielle On Jul 3, 2011, Gabrielle from (Zone 5a) wrote:

While I prefer A. hubrichtii, this is still a very attractive plant and adapts well. Blooms in May in my garden.

Positive flora_p On May 26, 2009, flora_p from Champaign, IL (Zone 5b) wrote:

I find this plant useful in a fair bit of shade as well as in sun (I do trim it back a bit mid-summer if it looks floppy), and it hasn't been all that fussy about soil moisture--in short, it's adaptable and reliable. The blooms are pretty, and they last very well as cut flowers; the foliage is also attractive after the blooming stops. I'm putting it in more places in my garden, and it helpfully reseeds at a very polite speed, providing me with expansion plants without taking over.

Positive saya On May 24, 2009, saya from Heerlen
Netherlands (Zone 8b) wrote:

I've received seeds of it a few years ago.. I'm sorry I don't know which DG member has sent me seeds of these..I want to thank her or him for this pretty plant. It took about three years to flower from seed. Now it is flowering for its third season and even more abundant than last year. It has a very neat round habit and its scented flowers are so delicate pale blue..very pretty. It dies back in wintertime and emerges in spring with fresh vivid green foliage..soon it shows its (by that time) dark blue flower buds. Last winter we had temps that dropped to -20C for weeks that did not harm it at all.
Remove seedpods if you don't want any unvoluntary seedlings. When still small seedlings are easy to pull up. They root relatively deep.
Take care when handling plants. The milky white sap can irritate the skin.

Positive straea On May 31, 2008, straea from Somerville, MA (Zone 6b) wrote:

I'm always looking for more fairly tall native plants to add to the back of my dry, windy, sunny border. Last year the local nursery's manager said that she thought it would adapt to this site despite the common recommendation being that this plant grows best in humusy, moist soil. When I planted it, it nearly immediately lost all its leaves and appeared thereafter to have died, so I didn't see any point in moving it to a new location to see if it could recover. This spring I was shocked to see it sprout. It started out slowly but then rapidly caught up to the size of other area amsonias. It's now blooming its gorgeous flowers. It's adapted perfectly to the site and this year it is robust and healthy. I can hardly think of a more resilient plant for the garden.

Positive francesseth On May 29, 2008, francesseth from Evanston, IL (Zone 5a) wrote:

This is one of my favorite plants. I have it in a part-sun situation next to the garage. It has a graceful habit and long-lasting flowers. I've had it about three years. Even after blooming, the leaves are attractive and make a good background for early summer plants.

Positive frostweed On Nov 22, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Eastern Bluestar, Woodland Blue Star, Willow Amsonia, Blue Dogbane Amsonia tabernaemontana is native to Texas and other States.

Neutral pokerboy On Aug 21, 2004, pokerboy from Canberra
Australia (Zone 8b) wrote:

A shrubby perennial plant that flowers mainly in spring. Likes full sun. Needs a moist, well-drained soil. Frost tolerant. pokerboy.

Neutral Sis On Aug 31, 2001, Sis wrote:

Pest and Disease Prevention: No serious
pests or diseases. Mulch with organic matter
to keep the soil evenly moist.


This plant has been said to grow in the following regions:

Auburn, Alabama
Gadsden, Alabama
Morrilton, Arkansas
Aurora, Colorado
Sherman, Connecticut
Lewes, Delaware
Lutz, Florida
Pensacola, Florida
Dahlonega, Georgia
Douglas, Georgia
Marietta, Georgia
Champaign, Illinois
Evanston, Illinois
Washington, Illinois
Coushatta, Louisiana
Sulphur, Louisiana
Bridgewater, Massachusetts
Pepperell, Massachusetts
Somerville, Massachusetts
Bellaire, Michigan
Minneapolis, Minnesota
Maben, Mississippi
Bridgeton, Missouri
Brookline, New Hampshire
Munsonville, New Hampshire
Portsmouth, New Hampshire
Collingswood, New Jersey
Frenchtown, New Jersey
Neptune, New Jersey
Whitehouse Station, New Jersey
Cicero, New York
Jefferson, New York
Burlington, North Carolina
Concord, North Carolina
Columbia Station, Ohio
Glouster, Ohio
Enid, Oklahoma
Portland, Oregon
Salem, Oregon
Smyrna, Tennessee
Arlington, Texas
Austin, Texas
Houston, Texas
Morgantown, West Virginia
Parkersburg, West Virginia
Madison, Wisconsin (2 reports)
Porterfield, Wisconsin

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