When to transplant delphinium seedlings?

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Posted by ClaireyBear1121 6a (My Page) on

Fri, Apr 19, 13 at 12:06

I'm wondering how hardy delphinium seedlings are, and when I should plant them outside?

I grew these little guys from seed- after reading all of the bad experiences with germinating them I honestly didn't expect to have any seedlings at all this year. To my surprise almost every seed I planted grew, and they are now healthy seedlings about 6" tall. I can harden them off before planting outside, I'm just wondering if they will be killed back if we get a night with temps around freezing? Thanks!!

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RE: When to transplant delphinium seedlings?

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Posted by calistoga USDA 9 Ca 15 (My Page) on
Fri, Apr 19, 13 at 12:25

You have come this far, wait until you are sure there are no more hard frosts. Al

RE: When to transplant delphinium seedlings?

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Posted by campanula UK Cambridge (My Page) on
Fri, Apr 19, 13 at 15:32

6 inches! Mine are still only half that (but look sturdy). Delphs are usually bone hardy so you could harden them off over the next week or so, then get them in the ground. But (there's always one of those), the worst thing about planting them out is not weather but exposure to the slug and snail hordes, all of which will crawl over any amount of coffee grounds, eggshells, brambles and dried holly leaves, to feast on gourmet delphinium.
When did you sow yours, Clairey? I did an October sowing and a January sowing - the early ones had to be chivvied over the winter and are actually weedier than the ones sown in Jan.

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