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Codonopsis lanceolata

Codonopsis lanceolata
bonnet bellflower
The bud looks like some kind of a bomb
Codonopsis lanceolata after flowering
The developing fruit, with the neatly star-shaped bracts, is attractive too

Common name bonnet bellflower
Family campanulaceae
Life cycle perennial (Z6-8)
Flowers purple (late summer)
Size climbs, 10-15'
Light sun-part shade
Cultural notes ordinary garden soil
From seed germinate at room temperature
detailed seed-starting info below
Seed ripensmid-October

Herbaceous perennial vine. The nodding bell-shaped flowers are pale green on the outside, with chocolate purple shading on the inside bottom, and violet spotting higher up inside. Our largest one is growing into the pear tree in our orchard, and is flowering in its second year.

This plant used to grow in our garden, but it slipped away...

Seed for this plant is included on my seed trade list

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Seed-starting details for this plant

  1. Seed from '02 trade. Baggy 70F with light (60%G, 8-12d)
  2. Same seed as above. Baggy 70F with light (50%G, 9-15d)-35F (5w)-70F (no further G)
  3. Seed from '06 garden. Baggy 70F with light (no G, extended time)
  4. Seed from '07 garden. Baggy 70F with light (11%G, 12-18d)
  5. Seed from '08 garden. Baggy 70F with light (16%G, 9-12d)
  6. Same seed as above. Baggy 70F with light (68%G, 12-20d)
  7. Same seed as above. Baggy 70F with light (33%G, 16-23d). No seedling development
  8. Seed from NARGS '19/'20 exchange. Baggy 70F with light (7%G, 14-22d)

The additional cold treatment did not increase germination. Not sure why recent germination attempts have had low yield. Some self-seeding occurs in our garden.

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