A properly mulched garden not only adds organic material to your soil, but also discourages weeds from germinating and conserves moisture so you don’t have to water as frequently.
For best results, use mulch at the right time. Spread organic mulches such as shredded bark, leaves, or well-rotted compost onto weed-free soil.
If weeds have already sprouted, mulch creates an ideal environment for their growth. Also, spread mulch at the right depth—if it’s too shallow it won’t smother the weed seeds effectively, and if it’s too deep your plants may develop stem and root rots. Two to four inches is a good depth for most mulches, although lighter materials such as pine straw and salt marsh hay can be spread a little thicker. Keep moisture-rich grass clippings, which mat down easily, to 2 inches or less.
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