Desert Rose blooms but never had seed pods. Why?

Question

Both of my Desert Roses are very big and are over 10 years old.

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Answer 1

In order the reproduce, the absolute perfect environmental requirements must be met. If you are not able to change any of those factors, then it might not flower in its lifespan.

This article will go over what these plants need in order to complete their entire lifecycle properly: https://www.gardeningknowhow.com/ornamental/flowers/desert-rose/caring-for-desert-rose-plants.htm