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Dracocephalum grandiflorum

Dracocephalum grandiflorum

Common name dragonhead
Family lamiaceae
Life cycle perennial (Z4)
Flowers blue (summer)
Size 8"
Light sun
From seed Flowers first year from seed sown indoors early.
detailed seed-starting info below
Seed ripenslate July

We finally got a good crop of healthy seedlings. A few blooms in their first year, but I expect a bigger display next year. So hopefully more photos and a report on its performance soon.

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

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PlantLinks to other web pages about Dracocephalum grandiflorum

Seed-starting details for this plant

  1. Seed from '05/'06 HPS/MAG exchange. Baggy 70F (2w) - 35F (33d) - 70F (4%G, 7-14d)
  2. Same seed as above. Baggy 70F with light (5%G, 35d)
  3. Seed from '08 trade. Baggy 35F (90%G, 18-32d)
  4. Same seed as above. Baggy 35F (86%G, 23-52d)
  5. Seed from '11 garden. Baggy 35F (9%G, 11w) - 70F (no further G, 2w)
  6. Seed from '12 garden. Baggy 35F (12w) - 70F (10%G, 4d)

This makes the second dracocephalum, after D. nutans, that I've found germinates best under cold conditions. Not sure why different seed lots have such different success rates.

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