Rain Garden Maintenance - UW Arboretum
2015-4-29 · during the summer. A layer of mulch helps to reduce weed growth, there-fore, weeding time. Year 2 General maintenance • In spring when new growth begins, cut off dead plant material. (Keep stems and seedheads on during winter for visual interest, winter lessons, wildlife cover, and food for birds.) Watering • Water only if in a drought. Weeding
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