When to Plant Garlic in Williamsburg County, SC
Garlic is a pungent allium planted in fall and harvested the following summer. Hardneck varieties produce edible flower stalks (scapes) and are more cold-hardy.
Williamsburg County, South Carolina is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 13, giving you a growing season of approximately 236 days.
At an elevation of 139 feet, Williamsburg County receives approximately 52.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Garlic during the growing season. Sandy soil warms quickly in spring — great for early planting — but Garlic will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Garlic root diseases.
Williamsburg County Soil Profile
Soil Type
Sandy Loam
Soil pH
5-6.4
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
Garlic Planting Timeline — Williamsburg County, SC
Garlic Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Fall Sowing | October 2 | Oct 2 – Oct 16 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
90–240 days
Soil pH
6 – 7.5
USDA Zone
Zone 8a
Growing Season
236 days
Growing Tips for Williamsburg County
Plant individual cloves pointed end up in fall, 6 weeks before ground freezes. Mulch heavily with straw. Harvest when lower leaves begin to brown but 5-6 green leaves remain.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Garlic in Other Locations
Frequently Asked Questions
When should I plant Garlic in Williamsburg County, SC?
Williamsburg County is in Zone 8a with an average last frost of March 22. Plan your Garlic planting based on this frost date — see the calendar above for exact timing.
What planting zone is Williamsburg County, SC?
Williamsburg County, South Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 13.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Williamsburg County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.
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