What is Vigoro mulch made from?
Furthermore, is vigoro mulch safe?
Dyed Mulch Can Be Safe to Use, Depending on Source of Wood But the dye on colored mulch is less of an issue than the type of wood on which the dye is applied. Dyes used in making colored mulch have three different origins, and all three are harmless: Red mulch is dyed with iron oxide.
Also to know, what is black mulch made of?
A good-quality black wood mulch is made up of hardwood chips that are dyed black, usually with a carbon black dye. While the contrast with green leaves and bright flowers is striking, black wood chips absorb heat on warm, sunny days.
Do-It-Yourself Dyes Gardeners can dye their own wood-based mulches using commercially available mulch dyes. These dyes are mixed with water and sprayed on the mulch once it is already in place in the garden.