Over time, mulch colors fade due to frequent exposure to sunlight. Regular non-dyed mulch may become a grayish color in one to two months, while dyed brown or black mulches may keep their color for a year or longer. Eventually, all mulches will fade without maintenance.

Does black mulch lose its color?

This color mulch works well in small areas, but tends to lose its beautiful color after just one season. However, the fact that it complements all shades of green makes it an easy choice for those focused on the aesthetics of their yard. … Black mulch also does well in commercial areas due to its long-lasting color.

What's wrong with black mulch?

This dyed wood mulch does not break down to enrich the soil as good mulch should. Instead it leaches the dye along with the possible contaminants (chromium, copper, arsenic and others) into the soil harming or even killing beneficial soil bacteria, insects, earthworms and sometimes the plants themselves.