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Why are my Dahlia blooms sometimes double and sometimes not?

Posted by steve22802 7a VA (My Page) on
Tue, Jul 12, 11 at 9:59

I bought about 15 new Dahlia varieties this year and I've noticed that some of them will sometimes have blooms that are nice and fully double with no visible center but other blooms on the same plant will sometimes have a visible center. What is the cause of this? Is it a nutrient deficiency? They have gotten plenty of water this year.

- Steve

Follow-Up Postings:

RE: Why are my Dahlia blooms sometimes double and sometimes not?

Open centers can be caused by hot weather.

RE: Why are my Dahlia blooms sometimes double and sometimes not?

Thanks Ted, I've got plenty of that these days! I'm also getting some color fading. I saw pictures of one garden where they were using shade cloth over their Dahlias, perhaps I'll consider that for next year.

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