Prechilling Columbine Seeds - Knowledgebase Question

Name: Audrey
Westampton, NJ
Avatar for ptd3
Question by ptd3
March 7, 1998
I want to start columbines from seed this spring. The seed package recommends prechilling the seeds for increased germination, but gives no indication as to how long to prechill the seeds or at what temperature. Do you have a recommendation?

Answer from NGA
March 7, 1998
You can put your seeds in a plastic bag and store them in the refrigerator for 2-3 weeks to give them the required cold-treatment. Columbine (Aquilegia) seeds will take 30-90 days to germinate at 65F -75F degrees.

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