Q.How Can I Rectify The Soil Where My Campanulas Lactiflora Have Yellow Leaves With Green Veins
I also have one rose that has the same problem otherwise it is just the campanulas, it happenÅ› on old leaves, also on a prunus tree, Otherwise all good

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 14, 2022
That is usually an iron chlorosis issue. This article should help:
https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm
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