I have small plants of this I started in 2016 from seeds that came from Arizona. They sprouted easily and grew slowly the 1st year as they developed a taproot. Last year they were still small, so I put them in their own 4" pots. This spring, 2018, I put a few in a good-sized pot to grow as a clump like my large mature red ones. I've read they make a pink flower that blooms at night and attracts giant moths. From seeds, it takes about 5 years to flowers, so we'll see. They are growing in cactus/succulent potting soil in full sun.

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