Caryota, Chinese Fishtail Palm, Giant Mountain Fishtail Palm 'Himalaya'

Here is the infomation I have on this palm.
Rare in cultivation. Is from the foothills of central and eastern Himalayas. Well adop...Read Moreted to snow and cold. Has dense crown and dark leaves that are up to 9 feet long. A very speedy grower, up to 6 feet per year. Mature height is 20 feet. Flower color is cream, with a dull red fruit. Hardy zones
8 to 12 will survive down to 19F degrees. Plant in sun, no more than 30% shade. Moderate water, fertilize with palm fertilizer. Do not trim the roots.

I have one in zone 8a and it's growing very nicely.
I agree, it is NOT monocarpic

Caryota maxima 'Himalaya' is definitely NOT monocarpic !
I know an Himalayan Fishtail Palm in Kathmandu, Nepal, since about 20 yea...Read Morers. The plant is more than 65 feet high and flowers and fruits every year since I know it.