Plant grown from seed in 2002 bloomed in its second year in our garden, but didn't return. Plants grown in 2003 didn't return even for year two. All were sited in a fairly well-drained area; not sure what did 'm in.
||requires cold treatment. germination takes place either during cold stage or after returning to room temperature
detailed seed-starting info below
This plant used to grow in our garden, but it slipped away...
Read about all the penstemon species in our garden
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PlantLinks to other web pages about Penstemon cyananthus
- Seed from '01 trade. Baggy. Cold 7 wks (10%G during 7th week), 70F 3 wks (no G), cold 3 wks (10%G during 3rd week
- Same seed as above. Baggy. Cold 11 wks (25%G, 8-11 wks), 70F (18%G, 2d)
Apparently, a long cold treatment (12 weeks or so) is beneficial.
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