>I know of a few growers in B.C. and Alberta with similar lows to mine who are >growing several Pedios successfully, and I think Sclerocactus parviflorus. I don't have any outside yet, but it sounds like Echinocereus (even though from populations in areas that get pretty cold) may have more trouble with my climate due to coolish summers more than winter lows, so I will be trying a raised bed designed and oriented to capture heat.
Sounds like a plan. S. glaucus and whipplei and a few others should take considerable cold, too. Speaking of cactus from seed, I have to say that there are few activities more boring than scarifying seed with sandpaper. I was doing this just the other evening, with nutlets of Arctostaphylos pungens, and realized that almost anything would be more interesting than this, and believe me, I experience every second of winter as though it were an hour. I stopped, sowed all the seed, let it imbibe indoors for a couple of days, then put it outside to let winter do its thing. Bob Nold Denver, Colorado, USA
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