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tubers not producing clump - how come????

Posted by digsdahlias z8WA (My Page) on
Sun, Nov 12, 06 at 22:23

Hi there, well just finished digging and what a disappointment!! This year about half my tubers did not form a clump like they normally would. They just had the mother tuber and maybe a couple very small new tubers. I've never experienced this before. Of course, this year I moved and started a new dahlia bed. The ground is very shallow - hard pan about 4 inches down. Any ideas what's caused this poor tuber production?? And any thoughts on whether I should save the mother tuber and try it again next year or just start over? I usually discard the original tuber, but hate to lose some of my favs.

Hope you're all almost done digging out there!! Kathy


Follow-Up Postings:

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RE: tubers not producing clump - how come????

Poor soil conditions. Amend your new bed big time. Dig it deeper & put in lots of organic material. Fertilize the plants with an all purpose 10-20-20 or something like that twice- once when planting & once in July. Make sure it's draining properly- where's all the rain going in that hardpan? You might consider raising the bed- sometimes easier than digging up hardpan.
Keep the mother tuber- if she's in good shape & has an eye she'll grow again next year- keep her separate from the others so if she rots she doesn't rot the new ones - & vice versa.


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RE: tubers not producing clump - how come????

thanks -- you're right about the water, where does it go? It puddles up and sits for awhile and doesn't drain down thru', 'cause of the hardpan - I'm surprised actually I didn't have a whole bed of rotten ones!! Will have to start amending the bed when I get the raised bed built -- hated to move, my last dahlia bed had wonderful soil, built up from compost over 10 years, wish I could have brought it with me. Where about's your farm - do you open it to the public in summer? Kathy


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RE: tubers not producing clump - how come????

We're east of Ferndale, WA - about 13 miles south of the Canadian border. Yes, we do let people come & look at our gardens in summer as long as they call ahead & let us know they're coming so someone can be here to show them around.


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