Staff Answer
Sep 15, 2021 - 02:29 PM
Yes! However, it's worth noting that the arm won't technically be grafted moon cactus. In fact, it won't be moon cactus at all!
Moon cactus refers only to the upper, brightly colored ball cactus. This cactus is so variegated that it can't do photosynthesis on its own. Because of this, it's grafted onto the green stem, which is a totally different cactus, which can do photosynthesis for itself and the moon cactus. This green stemmed cactus is the one that's branching.
If I had to guess what the green cactus is, I'd say it's Hylocereus guatemalensis, or purple dragon fruit. However, it could be another Hylocereus. It's care will be the same as your grafted moon cactus but it may grow much faster and larger without having to "care" for that moon cactus. It should be able to flower as well and may even produce edible fruit!
Moon cactus refers only to the upper, brightly colored ball cactus. This cactus is so variegated that it can't do photosynthesis on its own. Because of this, it's grafted onto the green stem, which is a totally different cactus, which can do photosynthesis for itself and the moon cactus. This green stemmed cactus is the one that's branching.
If I had to guess what the green cactus is, I'd say it's Hylocereus guatemalensis, or purple dragon fruit. However, it could be another Hylocereus. It's care will be the same as your grafted moon cactus but it may grow much faster and larger without having to "care" for that moon cactus. It should be able to flower as well and may even produce edible fruit!
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