Canna Lilies
Q.

Deceased Cannas

Zone Keithville,Louisiana | Snackertwo added on September 26, 2017 | Answered

I have a problem with the canna leaves not opening up. There's a black coffee ground looking substance in the center. I know it's some sort of a disease but I don't know how to cure it?

A.
A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on September 27, 2017

I believe this to be a fungal issue. I have a method that I use to cure, and prevent further disease. It is alright if you don't have every ingredient, but the soil priming you should not skip. the recipe is as follows:

First, you will want to prime the soil with dolomitic lime, then spread wettable sulfur to Kill off any infection in the soil. I Also like to spray the plant itself. Mix a few drops of one or more of these ingredients into warm water with a spoonful of coconut oil: Rosemary oil, lavender oil, neem oil, garlic oil, cinnamon extract/oil and for really bad cases, also add clove oil.

Here is an article with more information on the plants:https://www.gardeningknowhow.com/ornamental/bulbs/canna/canna-lily-care.htm

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