What kind of mulch is best to use around tomato plants?
Any kind of mulch will help maintain consistent moisture in the soil, which is crucial for tomato fruit growth. But you can actually get earlier and bigger fruit by using a red plastic mulch in your tomato bed. Apparently, the wavelengths of light reflected from the mulch onto the foliage trick the plant into perceiving that it’s being crowded by other plants. In response, the plant initiates a growth spurt.
