Perennial Flower

When to Plant Lavender in Massachusetts

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

The Short Answer

In Massachusetts, plant lavender based on your regional frost dates. Western Massachusetts has a last frost around May 1 - May 20, while Coastal/Cape sees frost end around Apr 15 - May 1. Four seasons. Maritime influence moderates coastal areas. Cold winters. Good growing season with adequate moisture.

Massachusetts Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Western Massachusetts 5b, 6a May 1 - May 20 Sep 20 - Oct 10
Central Massachusetts 5b, 6a May 1 - May 15 Sep 25 - Oct 10
Coastal/Cape 6b, 7a Apr 15 - May 1 Oct 15 - Nov 1

Lavender Planting Schedule for Massachusetts

Western Massachusetts (Zones 5b, 6a)

Average last frost: May 1 - May 20 · Average first frost: Sep 20 - Oct 10

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

Central Massachusetts (Zones 5b, 6a)

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

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

Coastal/Cape (Zones 6b, 7a)

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

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

Growing Lavender in Massachusetts

Lavender in Massachusetts's Climate

Your climate supports lavender well with proper drainage. English and hybrid lavender (Phenomenal, Grosso) thrive in the neutral-to-alkaline soils common in limestone regions. The biggest mistake is overwatering — lavender is Mediterranean and prefers dry feet. Prune in spring after new growth appears, never into old wood.

Soil Considerations for Massachusetts

Rocky, acidic New England soils. Glacial deposits. Raised beds popular. Amend heavily with compost.

Massachusetts Climate & Growing Season

Four seasons. Maritime influence moderates coastal areas. Cold winters. Good growing season with adequate moisture.

Growing season length varies across Massachusetts: Western Massachusetts (5b, 6a) has a last frost around May 1 - May 20, while Coastal/Cape (6b, 7a) sees frost end around Apr 15 - May 1. This difference matters for lavender — adjust your planting dates to match your specific region.

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 across Massachusetts, but your exact planting dates depend on which region you're in. Western Massachusetts gardeners should plan around a May 1 - May 20 last frost, while those in Coastal/Cape can typically plant earlier. 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 Massachusetts Planting Calendar All plants for Massachusetts 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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