Medinella “grapes” falling

Question

Is it normal for the little flowers “grapes” to fall off?

Answer 1

This is most likely caused by lack of humidity.

A high humidity is a must, mist daily and set on a tray of water and pebbles if this is an indoor plant.
https://www.gardeningknowhow.com/houseplants/medinilla/caring-for-medinilla-plants.htm