The answer to 'how to care for mulch' is to regularly maintain and replenish the mulch in your landscaping. Mulch is an essential part of a healthy, attractive landscape, but it requires some upkeep to continue providing benefits like moisture retention, weed suppression, and insulation for plant roots.
To care for mulch, start by inspecting it every few months. Look for areas where the mulch has thinned out or decomposed. Spread a 2-4 inch layer of fresh mulch over the soil, making sure to keep it a few inches away from plant stems and tree trunks. Avoid piling mulch up against them, as this can lead to rot and pest problems. You'll likely need to replenish the mulch every 6-12 months to maintain the ideal depth. If you notice any weeds or pests in the mulch, address those issues promptly as well.