Opuntia fragilis 'Potato Form'
Opuntia fragilis 'Potato Form' is a nearly spinelss plant that can create dense mats. Plants are very cold hardy zone 5 in most environments. Provide good drainage and they may be more cold hardy.
Plants for sale are a rooted cutting in a 3" pot.
I do not guarantee these in a zone 5 because everyones growing conditions are different but this would be a good trial plant to grow in your cold outdoor garden. Try to plant outdoor 90 days before 1st hard freeze.
"Winter Dormant" Plants have been kept outside under an unheated greenhouse and can be shipped bare-root without heat packs as long as temperatures are above 10F in your area. Would still wait to plant in spring to adapt better to your garden.
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