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Guy

Winter hardy cacti query

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My new(ish) greenhouse has some space for a few cacti.

The greenhouse is frost free, with a heater keeping the temperature to above 4°C in the winter.

The cacti in my local gardening centre all say 'keep above 10°C', when they say anything!

What can you suggest, please?

Thanks.

Guy

Edited by Guy

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I keep a few echinopsis in my greenhouse over the winter, I keep them dry and it drops below freezing on occasion and they have been ok for the last few years, in fact they flower better than the ones I keep indoors.

Phil

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Many cacti will survive sub-zero as long as they are completely bone dry.  I overwinter a few in my greenhouse and I only keep it frost free - zero deg C if I can, once or twice minus a few!

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Thanks all.  Very much appreciated.

Seems like cacti are hardier than they first seem!  Off down to the garden centre in the next few days to pick a few up.

Thanks again.

Guy

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