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Amsonia hubrichtii

Amsonia hubrichtii
narrow-leaf blue star
Magnificent fiery yellow fall foliage in early November

Synonym(s) Amsonia hubrectii
Common name narrow-leaf blue star
Family apocynaceae
Life cycle perennial (Z5-9)
Flowers light blue (late May-June)
Size 24-36"
Light sun-part shade
Cultural notes average garden soil, drought-tolerant
From seed Tricky to germinate - cold treatment and/or temperature cycling may be helpful.
detailed seed-starting info below
Seed ripensearly November

The leaves on this species, native to the south-central United States, are truly thread-like, giving the whole plant a fascinating appearance. Mature, well-grown specimens in a friend's garden looked much more impressive than mine, but I'm happy enough just to have it. And I must say, many years after establishing my first stand, the plants are still improving, so be patient, fellow gardeners!

Amsonia hubrichtii
Newly re-emerging, late April
narrow-leaf blue star
By late December, those thread-leaves have taken on a bad-hair-day look, which is pretty cool as far as I'm concerned.
Amsonia hubrichtii

We left this plant behind in our Pennsylvania garden (and wish it well); we don't grow it in Houston.

See comparative information about amsonias in our garden

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PlantLinks to other web pages about Amsonia hubrichtii

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Seed-starting details for this plant

  1. Seed from '02 HPS/MAG exchange. Baggy 70F (7w, no G) - to pot outside (17%G, June)
  2. Seed from '04 HPS/MAG exchange. Baggy 35F (8w) - 70F (4w; 4%G, 12d) - to pot outside (76%G, 4w - in late May)
  3. Same seed as above, sown to pot set outside 12/8/04. No G (disc. May '06)
  4. Seed from '06 garden. Baggy 35F (8w) - 70F (65%G, 3-7d)
  5. Seed from '07 garden (bench specimen). Baggy 35F (8w) - 70F (55%G, 3-15d)
    Also seed from '06 garden. Baggy 35F (8w) - 70F (70%G, 6-18d)
  6. Seed from NARGS '07/'08 exchange. Baggy 35F (8w) - 75F (60%G, 2-10d)
  7. Seed from '09 garden. Baggy 35F (8w) - 75F (35%G, 5-8w). No idea why germination was lower and delayed this year.
  8. Seed from '09 garden. Baggy 35F (8w) - 75F (45%G, 4-12d)
  9. Seed from '09 garden. Baggy 35F (8w) - 75F (9d; 60%G, 3-9d)
  10. Seed from '09 garden. Baggy 35F (8w) - 75F (3w; 7%G, 10d)
  11. Seed from '09 garden. Baggy 35F (8w) - 75F (6%g, 10d; no development)

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