I have tried growing beet root in flower troughs, but the leaves became very discolored (the vegetable itself was, however, very tasty). I am now growing a second crop, but the leaves are again looking horrible (in a new trough). Any hints?
Certified GKH Gardening Expert
It sounds like chlorosis, which is an iron deficiency, either caused by too little iron or too little nitrogen (which prevents iron uptake). Here is more information on that problem and how to fix it: https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm
This article will help wtih growing beets: https://www.gardeningknowhow.com/edible/vegetables/beets/growing-beets.htm