Your Month-by-Month Lawn Care Calendar—Lawn Care Schedule for Seattle’s Climate

Keeping track of every task is simple when you have a clear calendar. Here’s a quick reference to fit lawncare maintenance into your seasonal rhythm:

December – January

Stay off frozen turf; avoid snow piling

February

Stay off mud; gently rake when dry

March

0–2 mows; crabgrass pre-emergent; dethatch

April

Weekly mowing; monitor for spring stress

May – June

Mow 4–6×; first two fertilizations; broadleaf spot treatments

July – August

Mow 4×; water deeply but infrequently

September

Mow weekly; third fertilization; overseed if needed; broadleaf control

October

Mow 2–3×; clean up leaves; prep equipment

November

Final fertilization; lower watering schedule

Staying on schedule with these monthly milestones ensures your lawn thrives from spring green-up through winter rest.