Ask a Question forum: Submerged Dahlias

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Stevens Point, Wisconsin
Sottise
Jun 13, 2017 8:59 PM CST
Hello!

Our area was hit yesterday by a crazy 30 minute storm. Massive amounts of trees down everywhere and lots of flooding. 17,000 out of the 27,000 were still out of power today and I personally still do not have power. ANYWAY...

I had about 20 dahlia tubers in the ground already, with the tallest breaking 5 inches above the ground. My garden is still mostly under water, and the dahlias sat submerged for about 12 hours. I took a half day and was able to finally wade to them after the water receded to pull them up. We had a similar flooding several years ago and they were in standing water for 3 days. Most of them rotted away, but still had quite a few survivors. The only difference was that those were fully grown and already blooming, and close to the first frost. These however, were put in 2 weeks ago. I lost 2 new varieties as they had already turned to mush. The others still seem fairly solid. I moved them over to flats with dry dirt. Was this the right thing to do? I was so afraid of losing them...they were essentially floating around in watery mud. Is there anything else I can do/should do? I won't be able to put them in the ground for well over a week as we have a clay-like soil.
Name: Carol
Santa Ana, ca
Sunset zone 22, USDA zone 10 A.
Charter ATP Member Hummingbirder Lover of wildlife (Black bear badge) Orchids Region: California Plant Identifier
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ctcarol
Jun 13, 2017 9:26 PM CST
Have you got any kind of fungicide you could douse them with? If not, dust them with cinnamon. In either case, let them dry completely before replanting them.
Stevens Point, Wisconsin
Sottise
Jun 14, 2017 9:31 AM CST
ctcarol said:Have you got any kind of fungicide you could douse them with? If not, dust them with cinnamon. In either case, let them dry completely before replanting them.


Do you recommend putting it on the tubers directly or in the dirt is sufficient? A lot of the growing stems were wilted completely. Do you think there's a possibility of a comeback?
Name: Carol
Santa Ana, ca
Sunset zone 22, USDA zone 10 A.
Charter ATP Member Hummingbirder Lover of wildlife (Black bear badge) Orchids Region: California Plant Identifier
Image
ctcarol
Jun 14, 2017 1:41 PM CST
I don't grow them here, but if I did, I would dust the tubers with cinnamon or a powered fungicide and replant them.

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