I’ve Let My Plumeria Get Too Tall And Spindly

Question

What do I do now?

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Answer 1

You can cut the top off to encourage side branches but you need to wait till winter or early spring. To prune now could interrupt the blooming cycle.

This article tells how:
https://www.gardeningknowhow.com/ornamental/flowers/plumeria/plumeria-pruning-info.htm