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University of Minnesota Extension

Minnesota Lawn Care Calendar

Lawn season is approaching fast and people are eager to get a headstart on their lawns. Last year was tough on many plants, but none so visible as our lawns.

Our lawn care calendar provides general guidelines for when to do specific tasks to make your lawn the most sustainable it can be. Check out Extension's resources on lawn care.

Minnesota lawn care calendar

What to do Best time to do it Okay time to do it
Mowing Last week of April through early November
Crabgrass control Pre-emergence: Mid April to mid May, before crabgrass comes out of the ground Post-emergence: Mid May to early July, apply to small, visible crabgrass
Sodding Early May through June; mid August to late October Late June to 2nd week of August
Watering May through late October
Seeding Early August to late September; Mid November May through early June
Fertilizing Early August through mid October May through late June
Aerating Mid August through mid October Late April through May
Dethatching Mid August through September
Broadleaf weed control September through late October May through late June
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