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Amsonia tabernaemontana |
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| Common name |
blue stars |
| Family |
apocynaceae |
| Life cycle |
perennial |
| Flowers |
blue, late spring |
| Size |
2-3' |
| Light |
full sun-part shade |
| Cultural notes |
not fussy |
From seed  |
Sow outside in late fall, or give 8 wks cold and germinate at warm room temperature. Rarely self-sows in our garden.
detailed seed-starting info below
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| Seed ripens | late September |
Upright plant with narrow glossy leaves, stays attractive all year long. Clusters of blue flowers in late spring and early summer. For middle of border.
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| | This one came to us, from a plant swap, labeled as 'White Flower Farm selection', which probably means the 'Blue Ice' cultivar. So far, it's stayed smaller, and blooms later with larger, more loosely arranged flowers than the species. |
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| | Long upright seedpods form in late summer |
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| | Some amsonias are known for their flashy fall foliage. This one's yellow leaves are OK, but not stunning |
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| | New growth on 'Blue Ice', late April |
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In our garden, this plant grows in the following areas: back yard island, side garden, orchard nursery area See comparative information about amsonias in our garden Seed for this plant is included on my seed trade list About my plant portraits
Some helpful links to other websites
- Seed garden '02. No germination: 12wks at 65F, then to pot outside in early spring
- Seed garden '03. A: Baggy 35F (12w)-65F( 55%G, 7-16d).
B: Pot outside late November. 40%G, early May.
- 4/23: noticed volunteer seedlings for the first time
- Seed from '06 garden. Baggy 35F (8w) - 70F (6w; 5%G, 26d) - 75F (55%G, 2-14d)
- Seed from '07 garden. Baggy 35F (8w) - 70F (6d) - 75F (67%G, 6-12d)
Odd-shaped cylindrical seed. Rest assured - each piece is really a seed! Needs slightly warmer than room temperature to germinate after the cold treatment.
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Last modified:
April 25, 2008
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