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Baptisia tinctoria

 
Common name yellow wild indigo; rattleweed
Family fabaceae
Life cycle perennial (Z3-9)
Flowers yellow (late spring)
Size 2-3'
Light sun-part shade
Cultural notes drought-tolerant once established; resents transplanting

Native to the Eastern U.S. Yellow pea flowers are followed by brown seed boxes, in which the seeds rattle around in the wind, hence the second common name. I germinated seeds for this plant once before, but the seedlings didn't survive their first full year. Trying again.

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

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PlantLinks to other web pages about Baptisia tinctoria


Some particularly helpful links to other websites


Seed-starting details for this plant

  1. Seed from '07 trade. Split into two lots: one dunked into boiling-hot water and soaked 1d, followed by baggy 75F (no G, 8w); the other scarified with sandpaper, baggy 75F (67%G, 8-55d)
  2. Seed from NARGS '08/'09 exchange. Sandpapered, baggy 75F (32%G, 47-69d)
  3. Same seed as above. Sandpapered, baggy 75F (10w; 20%G, 9-34d) - 80F (36%G, 7-11d)

Conventional advice for baptisias is the hot-water soak, but my experience thus far is that mechanical scarification works better. Best sprouting in quite warm conditions (e.g., heating mat).


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Last modified: April 11, 2011
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