Perennial Flower

When to Plant Lavender in Michigan

Fragrant, drought-tolerant, and beloved by pollinators. Once established, lavender rewards you for years.

The Short Answer

Lavender in Michigan is a cold-hardiness test — the state's Zone 4b-6a winters push the limits of even the hardiest varieties. But Michigan's sandy western soils are actually excellent for lavender drainage, and the Lake Michigan fruit belt's moderating influence creates lavender-friendly microclimates.

Michigan Frost Dates

Your planting dates depend on which part of Michigan you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Upper Peninsula 4a, 4b, 5a May 15 - Jun 5 Sep 10 - Sep 25
Northern Lower Michigan 5a, 5b May 10 - May 25 Sep 20 - Oct 5
Southern Michigan 5b, 6a, 6b Apr 25 - May 10 Oct 1 - Oct 15

Lavender Planting Schedule for Michigan

Upper Peninsula (Zones 4a, 4b, 5a)

Average last frost: May 15 - Jun 5 · Average first frost: Sep 10 - Sep 25

Start Seeds Indoors
10 wks before frost
Transplant Outside
2 wks after frost

Northern Lower Michigan (Zones 5a, 5b)

Average last frost: May 10 - May 25 · Average first frost: Sep 20 - Oct 5

Start Seeds Indoors
10 wks before frost
Transplant Outside
2 wks after frost

Southern Michigan (Zones 5b, 6a, 6b)

Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15

Start Seeds Indoors
10 wks before frost
Transplant Outside
2 wks after frost

Growing Lavender in Michigan

State-Specific Growing Tips

Transplant from mid-May. Sandy western Michigan soils provide the drainage lavender demands — a natural advantage. Southeast Michigan's clay is deadly for lavender without raised beds and heavy amendment with gravel. Full sun, south-facing slope. Don't mulch with organic materials — use pea gravel. Winter protection with evergreen boughs helps in Zones 4b-5a. Prune in spring only.

Recommended Varieties for Michigan

Hidcote and Munstead (hardiest English lavender). Phenomenal (bred for cold tolerance). In the UP and northern Lower Michigan, lavender is marginal — experiment cautiously.

Common Challenges in Michigan

Winter kill in Zones 4b-5a. Ice damage. Clay soil rot. Summer humidity promotes foliar issues. Choose the hardiest varieties and provide excellent drainage.

Growing Tips

Needs excellent drainage — clay soil is lavender's enemy. Don't prune into old wood. English varieties (Lavandula angustifolia) are hardiest.

Companion Planting

Plant lavender alongside these companions for better growth:

Roses Thyme Sage

The Bottom Line

Lavender can be grown successfully in Michigan with proper attention to regional frost dates and local growing conditions. Timing varies across the state — Upper Peninsula gardeners work with a last frost around May 15 - Jun 5, while Southern Michigan sees frost end around Apr 25 - May 10. Choose varieties suited to your region, amend your soil based on its specific needs, and monitor for the pests and diseases most common in your area. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Lavender Growing Guide National planting guide with all states Michigan Planting Calendar All plants for Michigan Lavender in Alabama Alabama planting dates Lavender in Alaska Alaska planting dates Lavender in Arizona Arizona planting dates Lavender in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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