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Maine et Loire, France Fr

Dahlia imperialis... I've been growing this for three years now and last year's plants came back, especially the ones which I overwintered in pots. These I planted out and they are at least 20 feet tall! The foliage is great but I really want the flowers. I have read here that some people HAVE successfully got them into flower and I wondered if there is any cultural technique that could be used to force them to flower in October or November before the frosts? Are my chances likely to improve if I keep them from year to year?



Sorry bertie I dont know. did you feed them? some plants use feed for foliage rather than flowers. Sure some one will be able to help.

10 Oct, 2012

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