Ask a Question forum→Physalis peruviana in Illinois

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Illinois
KerriT13
Jan 31, 2021 7:56 PM CST
Hi there.

I just moved to the USA from the UK and wish to grow Physalis peruviana like I did back home. I don't really understand zoning honestly. I'm based in southern Illinois, which the internet tells me is zone 6a. Upon googling the only information I'm getting is about the ground cherry (Physalis pruinosa), which is not what I'm looking to grow. Can I grow Physalis peruviana in my zone? Are there any special arrangements I need to make other than a mostly shady corner. Does it need to come inside in the winter or will the roots survive an outdoor winter?

Any advice you can give will be greatly appreciated!
Kerri.
Name: Daisy I
Reno, Nv (Zone 6b)
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DaisyI
Jan 31, 2021 9:28 PM CST
Welcome!

Physalis peruviana Is hardy in US hardiness zones 10 - 12. You will have to grow it in a pot and bring it in for the winter or grow it as an annual, like tomatoes. In zone 6, the ground is going to freeze to some depth, too cold for roots.

PS: The other problem you might run into if you decide to tree it as an annual is season leagth. If you are really determined to grow that particular ground cherry, I suggest you look into ways to extend the growing season: cold frames, small greenhouse.... .
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[Last edited by DaisyI - Jan 31, 2021 9:32 PM (+)]
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Bellevue, NE
Ceckery
Feb 1, 2021 7:46 PM CST
I'm starting ground cherry seeds indoors mid to late February and I'll plant outside after mother's day. Hopefully that will give it enough time to produce (can get snow in early October but might not get snow until December, depends on the year).

You're 1 zone warmer than me but I'd still start seeds inside 6-8 weeks before your average last frost date (you can Google your zip code to find it out).

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