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Thermopsis villosa |
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| Synonym(s) |
Thermopsis caroliniana |
| Common name |
Carolina lupine, Aaron's rod |
| Family |
fabaceae |
| Life cycle |
perennial (Z3-9) |
| Flowers |
yellow (April-July) |
| Size |
4' |
| Light |
full sun-part shade |
| Cultural notes |
well-drained soil |
From seed  |
scarify seedcoat, germinate with bottom heat
detailed seed-starting info below
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Upright plant with attractive foliage, leaves arranged in threes. Pea-like flowers clustered as spikes on erect stalks are followed by seed pods tightly pressed against the old flower stalks. Ours flowers in early June.
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| | The leaves are oblong with rounded tips. |
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| | Bees don't say no to the large flowers |
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In our garden, this plant grows in the following areas: side garden, orchard nursery area About my plant portraits
Some helpful links to other websites
- Seed from AHS '00 distribution. Cellpack 70F (5%G, 16d). Also baggy 70F (11%G, 8d).
- Seed from '02 garden. Baggy 70F with light (several weeks) - 35F (several weeks) - 70F with light.
- Seed from '03 garden. Baggy 70F&75F (no G, 12 wks). Moved seeds to pot, set outside in mid-April. Germination started late May, continued into June, for total 25%G
- Same seed as above. Scarified hard with sandpaper, soaked 1d. Baggy 70F (25d) - 75F (55d; 68%G, 19-25d)
- Same seed as above. Scarified with sandpaper, soaked 2d. Baggy 75F (50+%G, 7-20d)
The key to germination appears to be penetrating the seedcoat and providing adequate warmth.
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Last modified:
February 03, 2007
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