Keeping a healthy lawn in Maple Valley means working with the region’s unique climate — lots of rain, cool temps, and dry summers. Here’s a simple month-by-month guide to help your lawn look great year-round.
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January–February: Let your lawn rest. Avoid walking on frozen grass and keep debris off the lawn.
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March: Start mowing again as growth begins. Apply moss control if needed — it’s common in damp areas.
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April: Aerate and dethatch to relieve compaction and improve air/water flow. Consider overseeding thin spots.
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May–June: Fertilize with a slow-release mix. Water if there’s a dry spell. Mow regularly, but don’t scalp.
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July–August: Mow higher to reduce heat stress. Water deeply but infrequently. Skip fertilizing during peak heat.
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September: Prime time for lawn repair. Overseed, fertilize, and aerate again if needed.
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October: Keep mowing as needed. Clear leaves regularly to prevent smothering.
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November–December: Wrap things up — clean tools, service your mower, and plan ahead for next spring.
With consistent care, your lawn will stay lush and resilient, even in the Northwest’s tricky mix of weather.
