When to Plant Yarrow in Kershaw County, SC
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.
Kershaw County, South Carolina is in USDA Zone 8a. The average last spring frost is March 27 and the first fall frost is November 7, giving you a growing season of approximately 225 days.
At an elevation of 387 feet, Kershaw County receives approximately 60.7 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so Yarrow may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Yarrow, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Yarrow root diseases.
Kershaw County Soil Profile
Soil Type
Clay Loam
Soil pH
5.4-6.3
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Yarrow Planting Timeline — Kershaw County, SC
Yarrow Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 3 | Apr 3 – Apr 17 |
| Harvest | July 3 | Jul 3 – Sep 18 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
90–120 days
Soil pH
5.5 – 7
USDA Zone
Zone 8a
Growing Season
225 days
Growing Tips for Kershaw County
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
Yarrow in Other Locations
Frequently Asked Questions
When should I plant Yarrow in Kershaw County, SC?
Kershaw County is in Zone 8a with an average last frost of March 27. Plan your Yarrow planting based on this frost date — see the calendar above for exact timing.
What planting zone is Kershaw County, SC?
Kershaw County, South Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 27 and first fall frost is November 7.
Plan Your Garden with Confidence
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