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Wed, Jun 4, 08 at 18:18
| I planted a Delphinium grandiflorum about 6 weeks ago and it is setting seeds.
If I cut it back might it rebloom and would it work to sow more seeds now? Would it be better to wait until fall or spring? Anything tricky about sowing them? I use a lot of compost as mulch and for soil health, but it interferes with self sowing. Thanks! Wobur |
Follow-Up Postings:
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- Posted by georgez5il z5 IL (My Page) on Thu, Jun 5, 08 at 15:07
| Sow seed now for flowers next spring PLANT requirs a 5 week+ cool period to flower. will not rebloom this year. |
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| Thanks, George. You are great! :-) |
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- Posted by BetsyRoseBurton 4-5 (My Page) on Wed, Feb 2, 11 at 22:58
| Can I plant delphinium seeds (or plugs?) in late winter or spring in an unheated hoophouse (zone 5) to have blooming flowers this summer? |
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| I am growing some delphinium now in an unheated greenhouse. However I do provide 70 degree bottom heat to the soil. I doubt they will germinate in your zone with no heat. George says they will need vernalization or a winter chilling to flower and I would not argue with george. Al |
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