overwintering petunias?

Snomam(Zone 3)July 27, 2009

I bought some expensive petunias this spring and they're so gorgeous I want to winter them over. I'm thinking I'll dig them up before hard frost and put them in pots. Should I cut them way back? I can keep them in my heated garage (stays about 50 degrees during winter), but should I water them periodically? Should I put them where they get a little sun? TIA

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I was interested in answers to this, too. When there weren't any, I googled it. (I've over wintered annual geraniums for years).

The consensus is....either take cuttings and start them in a pot, or cut down the petunias, put them in a bright window, and treat as a house plant. In the spring, they'll probably be spindly but you can cut that all back, and they should fill out and bloom again.

    Bookmark   July 29, 2009 at 6:31AM
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leftwood(z4a MN)

I believe that is the right advice. I am not aware that our regular petunias are perennials at all, so I don't think they will survive dormancy, no matter how warm it is.

    Bookmark   August 22, 2009 at 1:59PM
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milwdave(Zone5 Milwaukee)

Petunias are all tender perennials...you can winter them over if you can provide the right conditions. There's about a 50/50 chance they will make it through the winter. But, you've already bought them so what do you have to lose?


    Bookmark   August 23, 2009 at 7:52AM
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