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Dalea purpurea |
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| Synonym(s) |
Petalostemon purpureus |
| Common name |
purple prairie clover |
| Family |
fabaceae |
| Life cycle |
perennial (Z3-9) |
| Flowers |
purple (mid-summer) |
| Size |
1-2' |
| Light |
sun |
| Cultural notes |
ordinary garden soil |
From seed  |
scarify, germinate at room temperature
detailed seed-starting info below
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| Seed ripens | late September |
Slender plants with fine-cut foliage, topped with cheerful purple flowerspikes. Oddly, my AHS plant encyclopedia rates it hardy only in zones 9-11 (so I didn't expect it to come back this year, after growing it from seed last year), but all other information I've found says it's perfectly hardy. And that's fine by me.
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In our garden, this plant grows in the following areas: the lane, orchard nursery area About my plant portraits
PlantLinks to other web pages about Dalea purpurea
Visitors to this page have left the following comments| cliff | Feb 27, 2006 | I am studying this plant. last year I grew the plant from seed and ordered live seedlings. the live seedling plants were much bigger in the fall, sadly the plants were growen in less that perfect conditions. I was able to harvest a modest amount of roots for chemical studys.
as an amatuer ethnobotanist I am interested in the purported effects outlined in scant ethnobotanical data referring to the use of the plant by plains indians as an antidiarrheal and analgesic/tonic. a quick search led me to the information that the plant contains at least one opioid agonist.
I am interested in obtaining wildcrafted or farm raised roots and flowers of the plant, but so far have had no luck. The plant does not grow in the northwest where I live to my knowledge.
Looking at dalea purpureas profile I could see possible benefit of some cultures adopting the nitrogen fixing/medicinal qualities of dalea purpurea to their benefit.
nice website rob.
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- Seed from '02 trade. Dehusked and scarified seed (little shiny tan teardrops). Baggy 70F (68%G, 8-80d). A new flush of germination occurred after a second scarification
- Same seed as above. Scarified with sandpaper. Baggy 70F (35%G, 4d)
- Seed from '04 garden. These seeds were dark brown and shriveled, didn't seem viable next to the shiny ones from the trade. Yet: No scarification. Baggy 70F (70%G, 4d)
- Seed from '07 garden. Baggy 70F (4w) - 35F (30d) - 70F (7w; no G)
- Seed from '08 garden. Baggy 70F (18%G, in flushes several days after scarifying with sandpaper)
Scarification is essential. No cold treatment required.
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Last modified:
February 14, 2009
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