I'm not getting clear answers to when to harvest red stem rhubarb. Does the stem have to be totally red?
Certified GKH Gardening Expert
It depends on the variety. Some varieties should be red when harvested, while others should be harvested when green because the stalks never turn red. If you have a red variety, wait until the stalks are red to harvest. Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/rhubarb/harvesting-rhubarb.htm