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When to Plant Marjoram in Maine

Sweet marjoram is a tender perennial herb with a delicate, sweet oregano-like flavor. It is a cornerstone of Mediterranean cooking and pairs well with meats and vegetables.

Maine spans USDA hardiness zones 6a (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

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Find Your County

Click your county for exact Marjoram planting dates based on your local frost dates.

Hover over a county to see details. Click to view planting guide.

Marjoram Planting Calendar for Maine

Zone 6a ~193 day growing season · Full guide →

Last frost: April 10 · First frost: October 20 · 193 day season

Activity When Date Range
Transplant Outdoors April 17 Apr 17 – May 1
Harvest June 19 Jun 19 – Aug 28

Growing Tips for Maine

Start seeds indoors 6-8 weeks before last frost. Harvest stems just as flower buds appear for peak flavor. In cold climates, grow as an annual or bring containers indoors.

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Frequently Asked Questions

When should I plant Marjoram in Maine?

Planting dates for Marjoram in Maine depend on your USDA zone. Maine spans zones 6a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Maine for planting?

Maine contains USDA hardiness zones 6a. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: May 2026.