What Do You Advise To Dust Dahlia With When Overwintering?

Question

You advise dusting dahlias w/ a fungicide. What kind, copper?

Answer 1

Any dustable fungicide will suffice. Copper sulfate is fine. Wettable sulfur can be sprinkled if you prefer something without copper.

Here are some more tips for bulb storage:

https://www.gardeningknowhow.com/ornamental/bulbs/bgen/preparing-bulbs-for-winter-how-to-store-bulbs-for-winter.htm