When to Plant Yarrow in USDA Zone 6a
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 6a, the average last spring frost is around April 10 and the first fall frost is around October 20, giving you a growing season of approximately 193 days.
Yarrow Planting Timeline — Zone 6a
Where Is USDA Zone 6a?
The map below highlights the states that contain Zone 6a. Click any state to see the Yarrow planting schedule for that location.
Yarrow Planting Calendar — Zone 6a
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 17 | Apr 17 – May 1 |
| Harvest | July 17 | Jul 17 – Oct 2 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | Transplant Outdoors |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Free Zone 6a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 6a with start dates, transplant windows, and harvest times.
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
-10°F to -5°F average annual minimum
Growing Season
193 days (Zone 6a average)
Planting Specifications
| Planting Depth | 0.5 inches |
| Plant Spacing | 8 inches apart |
| Row Spacing | 12 inches between rows |
Growing Tips for Yarrow in Zone 6a
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
Breathable fabric pots that promote healthy root growth and prevent overwatering.
Built-in reservoir keeps herbs and greens consistently watered with less effort.
Start seeds indoors with reusable cell trays and humidity domes.
Related Plants
Yarrow in Other Zones
Yarrow by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Yarrow in Zone 6a?
In Zone 6a, plan your Yarrow planting around the average last frost date of April 10. Transplant seedlings around April 17.
Can Yarrow grow in Zone 6a?
Yes, Yarrow can grow well in Zone 6a, hardy in USDA zones 3a through 9b. Zone 6a has a growing season of approximately 193 days, which is sufficient for Yarrow (90-120 days to maturity).
When can I harvest Yarrow in Zone 6a?
In Zone 6a, expect to harvest Yarrow from July 17 – October 2. Yarrow takes 90-120 days from planting to harvest.
What is the last frost date for Zone 6a?
The average last spring frost in Zone 6a is around April 10, and the first fall frost is around October 20. This gives a growing season of approximately 193 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
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