When to Plant Yarrow in Hampton 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.
Hampton County, South Carolina is in USDA Zone 8a. The average last spring frost is March 15 and the first fall frost is November 12, giving you a growing season of approximately 242 days.
At an elevation of 314 feet, Hampton County receives approximately 53.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Yarrow during the growing season. Sandy soil warms quickly in spring — great for early planting — but Yarrow will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Yarrow root diseases.
Hampton County Soil Profile
Soil Type
Sandy Loam
Soil pH
4.8-6.2
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 — Hampton County, SC
Yarrow Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 22 | Mar 22 – Apr 5 |
| Harvest | June 21 | Jun 21 – Sep 6 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | Transplant Outdoors |
| May | — |
| June | Harvest |
| 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
242 days
Growing Tips for Hampton 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 Hampton County, SC?
Hampton County is in Zone 8a with an average last frost of March 15. Plan your Yarrow planting based on this frost date — see the calendar above for exact timing.
What planting zone is Hampton County, SC?
Hampton County, South Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 15 and first fall frost is November 12.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Hampton County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.