Night Blooming Cerus Has Tall Spike With Roots Should I Do Any Thing

Question

Should we just let it keep growing or cut and plant

Answer 1

Those are aerial roots to help the plant climb, and you don't need to do anything to it, unless the plant is too gangly and needs a trim. If you want to propagate some stems here is how:

https://www.gardeningknowhow.com/ornamental/cacti-succulents/night-blooming-cereus/night-blooming-cereus-cuttings.htm
https://www.gardeningknowhow.com/ornamental/cacti-succulents/night-blooming-cereus/night-blooming-cereus.htm