Answer: Take stem cuttings up to 6 inches long in late spring. Allow the cut to callus/dry for a day or so. Insert in an extremely well-drained potting mix, as you would use for planting cactus. Keep slightly moist in bright light, but not direct sunlight. They take 3-6 weeks to root, so don't jostle them or tug on them because their new roots are extremely fragile.
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