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Dictamnus albus

Common name gas plant
Family rutaceae
Life cycle shrub
Flowers white/pink
Size 3 ft
Light sun
Cultural notes prefers evenly moist, fertile soils with reasonable drainage
From seed provide a period of warm stratification (6-8 weeks), a period of cold stratification (6-8 weeks), then germinate at room temperature
detailed seed-starting info below

We grew this from seed several years ago, and got a nice crop of seedlings, all of which lived through their first winter. Summers weren't as kind to them, though, and one by one the plants, set in various garden areas, croaked. The last one held out until its third year, but mysteriously disappeared in late summer. Since I had high hopes for this plant, I traded for new seed, and now have six seedlings going in the orchard. I hope these are tougher!

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

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Seed-starting details for this plant

  1. Seed from '00 trade. 70F (7w) - 35F (6w) - 70F (germination starting 3d). Additional cold period and nicking contributed to germination. Overall >50%G
  2. Seed from '03 trade. 70F (7w) - 35F (6w) - 70F (40%G, 3d). Additional 35F (4w) - 70F (2w) did not result in further germination
  3. "Old" seed from '04 trade. Baggy 70F (6w) - 35F (6w) - 70F (8w; 21%G, 3d)
  4. Seed from '06 trade. Baggy 70F (8w) - 35F (8w; 25%G, 8th wk) - 70F (25%G, 2d)
  5. Seed from '07 trade. Baggy 70F (9w) - 35F (10w) - 70F (84%G, 2-14d)

Seed may develop mold during conditioning stages, but this does not appear to be fatal - I rinse the seeds at the end of each stage to remove most of it.

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