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Michigan Lawn Care Calendar: Month-by-Month Guide

A complete month-by-month lawn care calendar specifically designed for Oakland County, Michigan homeowners. Know exactly what to do — and when — for a beautiful, healthy lawn all year long.

Your Complete Michigan Lawn Care Calendar

Michigan's four distinct seasons create a clear rhythm for lawn care. Following this calendar will ensure you take the right actions at the right time, maximizing your lawn's health and minimizing wasted effort and expense.

March

  • ✓ Service lawn equipment (sharpen blades, change oil)
  • ✓ Assess winter damage from a distance — avoid walking on wet soil
  • ✓ Order grass seed and fertilizer for spring
  • ✓ Test soil pH if not done in the past 2–3 years

April

  • ✓ Spring cleanup — rake, remove debris
  • ✓ Apply pre-emergent herbicide (mid-April)
  • ✓ Overseed thin or bare areas
  • ✓ Begin mowing when grass reaches 3.5 inches

May

  • ✓ Apply first fertilizer application (slow-release nitrogen)
  • ✓ Spot-treat broadleaf weeds
  • ✓ Establish regular mowing schedule
  • ✓ Plant new trees, shrubs, and perennials

June

  • ✓ Apply preventive grub control treatment
  • ✓ Raise mowing height to 3.5–4 inches
  • ✓ Begin irrigation if rainfall is insufficient
  • ✓ Monitor for lawn diseases

July–August

  • ✓ Water deeply 1–2 times per week if needed
  • ✓ Avoid fertilizing during heat stress
  • ✓ Monitor for grub damage and wildlife activity
  • ✓ Apply curative grub treatment if needed (August)

September

  • ✓ Core aeration (most important lawn task of the year)
  • ✓ Overseeding after aeration
  • ✓ Apply fall fertilizer
  • ✓ Plant trees, shrubs, and perennials

October

  • ✓ Begin leaf removal
  • ✓ Apply final fertilizer (winterizer)
  • ✓ Continue mowing until growth stops
  • ✓ Drain and winterize irrigation system

November–February

  • ✓ Final leaf cleanup
  • ✓ Store lawn equipment properly
  • ✓ Plan next year's lawn and landscape projects
  • ✓ Snow removal as needed

Frequently Asked Questions

What is the most important lawn care task in Michigan?

Fall aeration and overseeding in September is widely considered the single most impactful lawn care task for Michigan homeowners. It relieves compaction, improves drainage, and thickens the lawn — all in one visit.

When should I apply pre-emergent herbicide in Oakland County?

Apply pre-emergent herbicide in mid-April when soil temperatures reach 50°F consistently. In Oakland County, this typically occurs between April 10–25. Applying too early or too late significantly reduces effectiveness.

When is the best time to fertilize in Michigan?

The three most important fertilizer applications for Michigan lawns are: (1) late spring (May), (2) early fall (September), and (3) late fall/winterizer (October–November). The fall applications are the most critical for long-term lawn health.

Can I do all this lawn care myself?

Yes, many homeowners successfully manage their own lawn care. However, professional lawn care programs save time, ensure proper timing and product selection, and often produce better results. Contact us to learn about our seasonal programs.

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