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When to Plant Yarrow in USDA Zone 7a

Yarrow is a drought-tolerant perennial herb with feathery foliage and flat-topped flower clusters in white, yellow, pink, or red. It attracts beneficial insects and is used in herbal medicine.

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.

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

Yarrow 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 Yarrow planting schedule for that location.

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

Yarrow Planting Calendar — Zone 7a

Activity When Date Range
Transplant Outdoors April 1 Apr 1 – Apr 15
Harvest July 1 Jul 1 – Sep 16

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

Month-by-Month Timeline

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

Low — drought tolerant

Days to Maturity

90–120 days

Soil pH

5.5 – 7

Zone Temperature Range

0°F to 5°F average annual minimum

Growing Season

221 days (Zone 7a average)

Planting Specifications

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

Growing Tips for Zone 7a

Direct sow or start from divisions. Yarrow thrives in poor soil and is very drought-tolerant. Deadhead to encourage reblooming. Divide clumps every 3 years.

Companion Planting

Good Companions

Level Up Your Garden

Saving Yarrow 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 Yarrow in Zone 7a?

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

Can Yarrow grow in Zone 7a?

Yes, Yarrow can grow well in Zone 7a, hardy in USDA zones 3a through 9b. Zone 7a has a growing season of approximately 221 days, which is sufficient for Yarrow (90-120 days to maturity).

When can I harvest Yarrow in Zone 7a?

In Zone 7a, expect to harvest Yarrow from July 1 – September 16. Yarrow takes 90-120 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 Yarrow?

Good companion plants for Yarrow include Lavender, Rosemary, Thyme. 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 7a, track your crops, and plan your garden season from seed to harvest.

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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.