i'll IG you a pic of the red ones! they start green and turn red in the sun. i think it might be UV related. certain varieties of opuntia are more prone to the reddening than others.
we don't have any at SR! becuase we flood irrigate the entire back acreage and have a lot of tall elm shade, most of our land isn't actually great for cactus. i'm putting in a teensy cactus garden, 3x8', in front by the wall where it'll get enough heat. probably claret-cup and queen victoria agave to start - both are small, slow-growing, and manageable, and claret cup is stunning in bloom, such a vivid red it looks unreal. i would love an ocotillo if we could figure out a good spot for one. opuntia gets huge and sprawls, so we haven't figured out where would be good for it.
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we don't have any at SR! becuase we flood irrigate the entire back acreage and have a lot of tall elm shade, most of our land isn't actually great for cactus. i'm putting in a teensy cactus garden, 3x8', in front by the wall where it'll get enough heat. probably claret-cup and queen victoria agave to start - both are small, slow-growing, and manageable, and claret cup is stunning in bloom, such a vivid red it looks unreal. i would love an ocotillo if we could figure out a good spot for one. opuntia gets huge and sprawls, so we haven't figured out where would be good for it.