Fruiting of Carya illinoinensis in USDA zone 7

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bflanger Verden, Germany(Zone 7b) Mar 20, 2007

Is Carya illinoinensis regulary fruiting in USDA hardiness zone 7 ?

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Resin Northumberland, United Kingdom(Zone 9a) Mar 20, 2007

Yes, but only where the summers are hot (continental climate). I would guess in Germany it would only produce nuts occasionally, after long, hot summers (like 2003 or 2006); in most years the nuts would not mature.

Resin

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bflanger Verden, Germany(Zone 7b) Mar 20, 2007

Thanks. I guess there will be more hot summers in Germany caused by climate change. So maybe it's a good idea to plant some pecans now? ;-)

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Resin Northumberland, United Kingdom(Zone 9a) Mar 20, 2007

Give it a try!

It would be best to select cultivars that are adapted to cooler, shorter summers - there's an organisation in the US called the Northern Nut Growers' Association, who market these in the US. I'm sure someone will know more details about them than I do. The major difficulty is going to be importing plants, with all the plant health regulations.

Resin

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gooley Hawthorne, FL(Zone 8b) Mar 20, 2007

Probably a lot easier to import seeds (nuts), but pecans from seed, like most fruit and nut trees, are always a gamble. The pecan cultivars for northern US climates also tend to be selected for cold-hardiness more than for ability to bear despite relatively cool summers (most of the US has hot summers, even in places with cold winters). I don't know if there are any varieties of pecan selected for, say, the Pacific Northwest, which has a mild climate with cool summers. In your situation I'd still give it a try anyway, but I'm the man who tries to grow cool-summer trees like Sitka spruce in northern Florida...

Mark., I still think that someday I'll get Sitka spruce to survive here, honestly I do

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