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When to Plant Garlic in Greene County, NC

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.

Greene County, North Carolina is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 7, giving you a growing season of approximately 224 days.

At an elevation of 980 feet, Greene County receives approximately 52.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94ยฐF, providing good warmth for Garlic during the growing season. Clay soil retains moisture well for Garlic, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Garlic root diseases.

Greene County, NC (Zone 7b) Long season
224 days
Last Spring Frost March 28
224 growing days
First Fall Frost November 7

Greene County Soil Profile

Soil Type

Clay Loam

Soil pH

5.2-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (3 days to spare)
Transplant: Mar 21 🍅 Harvest: Jun 20 – Oct 31
Recommended (50%) ✓ Fits season (0 days to spare)
Transplant: Mar 28 🍅 Harvest: Jun 27 – Nov 7
Safe Start (90%) ✗ May not fit
Transplant: Apr 13 🍅 Harvest: Jul 13 – Nov 23

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

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 35 gal / 100 sq ft
Garlic needs ~3,382 GDD — county provides 4,592 GDD Excellent fit

Garlic Planting Timeline โ€” Greene County, NC

Garlic Planting Calendar

Activity When Date Range
Fall Sowing September 26 Sep 26 โ€“ Oct 10

Plant 1" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May โ€”
June โ€”
July โ€”
August โ€”
September Fall Sowing
October Fall Sowing
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“240 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

224 days

Growing Tips for Greene 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

  • Peas
  • Green Beans
  • Asparagus

Level Up Your Garden

Frequently Asked Questions

When should I plant Garlic in Greene County, NC?

Greene County is in Zone 7b with an average last frost of March 28. Plan your Garlic planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Greene County, NC?

Greene County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 7.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Greene County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Greene County, NC. Local conditions may vary. Last updated: April 2026.