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Echinacea tennesseensis

Echinacea tennesseensis
Tennessee coneflower
Just after the petals emerge
Echinacea tennesseensis

Common name Tennessee coneflower
Family asteraceae
Life cycle perennial (Z5-9)
Flowers purple (summer)
Size 2' tall, 18" wide
Light full sun
Cultural notes all soils. drough-tolerant
From seed 10-12 weeks cold, to warm for germination
detailed seed-starting info below
Seed ripenslate October

Tennessee coneflower is endangered in its native habitat. Bee and butterfly flower. Flower shape is different from common purple coneflower: the rays go straight out (or even curl up) instead of down, and are narrower and typically paler. The whole plant is smaller. We like it a lot, and keep starting new plants from seed to replace the plants, which only last a few years each.

Tennessee coneflower
With a potato beetle

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

One or more images of this plant are included in my stock photo catalog

About my plant portraits
PlantLinks to other web pages about Echinacea tennesseensis

Some particularly helpful links to other websites

Seed-starting details for this plant

  1. Seed from '00 trade. 35F (6w), 65F (47%G, starting 3d). Additional cold cycle didn't increase germination
  2. Seed from '01 garden. 35F (7w), 65F (15%G, 7d), 35F (10w), 70F (55%G, 7d)
  3. Seed from '02 garden. 35F (11w), 65F (80%G, 8d)
  4. Seed from '02 garden. 35F (10w), 65F (50%G, 3-9d)
  5. Seed from '05 garden. Baggy 35F (12w) - 70F (50%G, 3-9d)
  6. Same seed as above. Baggy 35F (13w) - 70F (75%G, 2-11d)
  7. Seed from '06 garden. Baggy 35F (13w) - 70F (90%G, 3-9d)
  8. Seed from '08 garden. Baggy 35F (12w) - 70F (5%G, 3d); rest appear to be duds. I must have grabbed a bum seedhead...
  9. Seed from '08/'09 gardens. Baggy 35F (13w; 6%G, 12w) - 70F (50%G, 3-10d)
  10. Seed from '10 garden. Baggy 35F (13w) - 70F (54%G, 3-6d)
  11. Same seed as above. Baggy 35F (13w) - 70F (100%G, 4d)
  12. Seed from '12 garden, cold-stored; selected plumpest seeds. Baggy 35F (13w) - 70F (100%G, 4d)

Appears to benefit from a long cold stratification period. Seedlings are finnicky - typically, not all survive.

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