Q.How to Grow Bok Choy
This is my first year to grow Bok Choy and I have noticed that it is starting to flower. Should I harvest now or wait until it reaches 12 to 18 inches tall?

Certified GKH Gardening Expert
It is bolting, so it must be harvested ASAP. This article will explain more:
https://www.gardeningknowhow.com/edible/vegetables/vgen/what-is-bolting-what-it-means-when-a-plant-bolts.htm
This article explains how to grow this plant: https://www.gardeningknowhow.com/edible/vegetables/bok-choy/planting-bok-choy.htm