Dyed Mulch - Knowledgebase Question

Irwin, Pe
Question by acbaglio
April 20, 2010
I would like to plant a vegetable garden in soil that has been covered with black dyed mulch for 6 years (new mulch ever 2 years). Does the dyed mulch release toxins into the soil, or is it safe to plant vegetables here? Thank you.

Answer from NGA
April 20, 2010


According the the manufacturer, dyed mulch is dyed with a water based colorant that is formulated to be non-toxic to animals and plants. Not much research has been done so I can't say for certain that there are no residuals in the soil but I suspect there are not or other plants would have difficulty growing in the soil. Wish I could offer more information.

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