Black mulch is great for keeping the weeds away! This is the best all-purpose plastic mulch. The mulch will warm your soil and reduce evaporation to conserve water. You will have earlier and higher yields when using black mulch. While it helps in conserving moisture it will also prevent ground spoilage to the vegetables. This 1.0 mill plastic is strong enough to possible use over two seasons. Great to use in your flower beds, landscaping, and gardens.