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When to Plant Lemon Thyme in USDA Zone 7b

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.

In Zone 7b, the average last spring frost is around March 18 and the first fall frost is around November 8, giving you a growing season of approximately 235 days.

Zone 7b Long season
235 days
Last Spring Frost March 18
235 growing days
First Fall Frost November 8

Lemon Thyme Planting Timeline — Zone 7b

Where Is USDA Zone 7b?

The map below highlights the states that contain Zone 7b. Click any state to see the Lemon Thyme planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Lemon Thyme Planting Calendar — Zone 7b

Activity When Date Range
Transplant Outdoors March 25 Mar 25 – Apr 8
Harvest June 3 Jun 3 – Aug 5

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May
June Harvest
July Harvest
August Harvest
September
October
November
December

Free Zone 7b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 7b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low — drought tolerant

Days to Maturity

70–90 days

Soil pH

6 – 8

Zone Temperature Range

5°F to 10°F average annual minimum

Growing Season

235 days (Zone 7b average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Growing Tips for Zone 7b

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.

Companion Planting

Good Companions

Level Up Your Garden

Saving Lemon Thyme Seeds

Recommended for Your Garden

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Breathable fabric pots that promote healthy root growth and prevent overwatering.

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Self-Watering Planters $15-40

Built-in reservoir keeps herbs and greens consistently watered with less effort.

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

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Frequently Asked Questions

When should I plant Lemon Thyme in Zone 7b?

In Zone 7b, plan your Lemon Thyme planting around the average last frost date of March 18. Transplant seedlings around March 25.

Can Lemon Thyme grow in Zone 7b?

Yes, Lemon Thyme can grow well in Zone 7b, hardy in USDA zones 5a through 9b. Zone 7b has a growing season of approximately 235 days, which is sufficient for Lemon Thyme (70-90 days to maturity).

When can I harvest Lemon Thyme in Zone 7b?

In Zone 7b, expect to harvest Lemon Thyme from June 3 – August 5. Lemon Thyme takes 70-90 days from planting to harvest.

What is the last frost date for Zone 7b?

The average last spring frost in Zone 7b is around March 18, and the first fall frost is around November 8. This gives a growing season of approximately 235 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Lemon Thyme?

Good companion plants for Lemon Thyme include Tomatoes, Eggplant, Rosemary. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 7b, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.