Mind Your Mulch: Eco-friendly Mulch
(Page 3 of 3)
March/April 2003
By Ann D. Brucklacher
Make your own
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Shred nonglossy newspaper and spread it several inches thick, then dampen and cover with a thin layer of wood mulch or grass clippings. To block weeds further, lay down several full sheets of newspaper.
Instead of bagging, shred autumn leaves with a mower. Compost the leaves for a season into “leaf mold” or spread in a loose, six-inch mulch layer that will compost in place. Other lawn materials such as fallen twigs, hedge trimmings, and Spanish moss also make fine mulches.
Mulching tips
You can have too much of a good thing. Overly thick mulches can suffocate roots. Most mulches work best in two- to four-inch blankets.
When mulching trees, mulch out to the tree’s drip line but leave a few inches bare around the trunk where piled mulch could harbor wood-harming pests and lead to devastating trunk rot. If mulch becomes hard and matted, fluff to allow air and moisture to get through. Also always check the freshness of bulk mulches. If mulch smells sour or rotten, it could harm your plants.
When to mulch
In colder climates, a good replenishing layer of organic mulch just before freezing can help plants and bulbs weather winter extremes. Allow soils to warm up a bit in spring before applying new mulch, which will keep soil temperatures as much as ten degrees cooler in the hotter summer months and prevent disease susceptibility. By periodically mulching or installing long-lasting mulch beds, you can keep up with your garden’s mulching needs and enjoy mulch’s many benefits.
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