Why do my gloriosa daisies bloom green rather than shades of yellow/bronze?
Seems each year I get a few more plants that bloom green and usually stunted. Now I'm seeing it happen to some of my coneflowers.
Certified GKH Gardening Expert
This is likely a disease called Aster yellows, which affects a number of plants including aster, daisies and coneflowers. Here is more information: https://www.gardeningknowhow.com/plant-problems/disease/aster-yellows-disease.htm