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When to Plant Rosemary in USDA Zone 7a

Zone 7a Zone 7a April

This month in Zone 7a

If you only do a handful of things in the garden this April, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 8
Avg. first frost October 29
  1. Move rosemary from tray to bed

    Frost risk is low now in Zone 7a. If you've been covering beds overnight, you can stop.

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Rosemary

Rosemary is an aromatic evergreen shrub with needle-like leaves and a piney, citrus flavor. It is a Mediterranean herb that thrives in warm, dry conditions.

In Zone 7a, the average last spring frost is around March 25 and the first fall frost is around November 1, giving you a growing season of approximately 221 days.

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Zone 7a Long season
221 days
Last Spring Frost March 25
221 growing days
First Fall Frost November 1

Rosemary Planting Timeline — Zone 7a

Where Is USDA Zone 7a?

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

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

Rosemary Planting Calendar — Zone 7a

Activity When Date Range
Transplant Outdoors April 1 Apr 1 – Apr 15
Harvest June 24 Jun 24 – Nov 11

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

Month-by-Month Timeline

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

Free Zone 7a Planting Calendar PDF

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

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

0.3"/week · Low — drought tolerant

Days to Maturity

80–180 days

Soil pH

6 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

221 days (Zone average)

Planting Specifications

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

Succession Planting Rosemary in Zone

3
successive plantings in Zone 's ~221-day season

Sow every 9.1 weeks for continuous harvest throughout the season.

Growing Tips for Rosemary in Zone

Zone has a short growing season (~221 days). Start Rosemary indoors early and use season-extension techniques like row covers and cold frames.

Grow in well-drained soil and avoid overwatering. In cold climates, grow in containers and bring indoors for winter. Propagate from stem cuttings for faster results than seed.

Companion Planting

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Saving Rosemary Seeds

Recommended for Your Garden

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Fabric Grow Bags $10-25

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.

Related Plants

Frequently Asked Questions

When should I plant Rosemary in Zone 7a?

In Zone 7a, plan your Rosemary planting around the average last frost date of March 25. Transplant seedlings around April 1.

Can Rosemary grow in Zone 7a?

Yes, Rosemary can grow well in Zone 7a, hardy in USDA zones 7a through 10b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Rosemary (80-180 days to maturity).

When can I harvest Rosemary in Zone 7a?

In Zone 7a, expect to harvest Rosemary from June 24 – November 11. Rosemary takes 80-180 days from planting to harvest.

What is the last frost date for Zone 7a?

The average last spring frost in Zone 7a is around March 25, and the first fall frost is around November 1. This gives a growing season of approximately 221 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Rosemary?

Good companion plants for Rosemary include Sage, Thyme, Lavender, Carrots. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

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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.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.