@williambone you could try mixing a solution of 10% bleach and 90% water and dip the part that has mould on it in the solution. Then lay the tuber on a piece of newspaper to dry.
Hi Ross, I tried that previously when the dahlia had more stem, unfortunately it didn't work and the mould came back, I've bought some of that sulphur powder so fingers crossed that works
Um, hope this is the right place to ask...anyway, I have dahlias all over my plot and usually leave them in the ground over winter(sandy, free draining). However, I want to dig them up and consolidate them in a dedicated bed - can I do this now and replant and leave over winter...or should I dig them up and store the tubers in my greenhouse.
Do what? Dig them up and immediately replant? What do you mean by winter? Obviously, they are still flowering away but I really need to move a bunch of them so I can transplant agapanthus and (after the awful shock of summer) my new 'waterwise' garden. They have been in the garden for years and are enormous tubers but I honestly hate doing the winter storage thing as space is also an issue in the greenhouse.
Thank you for responding, btw - don't mean to sound churlish.
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Thank you for responding, btw - don't mean to sound churlish.