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When to Plant Lemon Thyme in Connecticut

Lemon thyme is a low-growing perennial herb with tiny, citrus-scented leaves. It combines the savory quality of thyme with a bright lemon flavor, excellent with fish and poultry.

Connecticut spans USDA hardiness zones 6a, 6b, 7a (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

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

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

Lemon Thyme Planting Calendar for Connecticut

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 26 Jun 26 – Aug 28
Zone 6b ~205 day growing season · Full guide →

Last frost: April 3 · First frost: October 25 · 205 day season

Activity When Date Range
Transplant Outdoors April 10 Apr 10 – Apr 24
Harvest June 19 Jun 19 – Aug 21
Zone 7a ~221 day growing season · Full guide →

Last frost: March 25 · First frost: November 1 · 221 day season

Activity When Date Range
Transplant Outdoors April 1 Apr 1 – Apr 15
Harvest June 10 Jun 10 – Aug 12

Growing Tips for Connecticut

Start from cuttings or divisions. Plant in well-drained soil. Trim back after flowering. Use as a fragrant ground cover or edging plant along garden paths.

Frequently Asked Questions

When should I plant Lemon Thyme in Connecticut?

Planting dates for Lemon Thyme in Connecticut depend on your USDA zone. Connecticut spans zones 6a, 6b, 7a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Connecticut for planting?

Connecticut contains USDA hardiness zones 6a, 6b, 7a. 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: April 2026.