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When to Plant Garlic in McCracken County, KY

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.

McCracken County, Kentucky is in USDA Zone 6b. The average last spring frost is March 30 and the first fall frost is October 30, giving you a growing season of approximately 214 days.

At an elevation of 1,445 feet, McCracken County receives approximately 48 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86ยฐF, providing good warmth for Garlic during the growing season.

McCracken County, KY (Zone 6b) Long season
214 days
Last Spring Frost March 30
214 growing days
First Fall Frost October 30

McCracken County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (17 days to spare)
Transplant: Mar 24 🍅 Harvest: Jun 23 – Oct 6
Recommended (50%) ✓ Fits season (18 days to spare)
Transplant: Mar 30 🍅 Harvest: Jun 29 – Oct 12
Safe Start (90%) ✓ Fits season (12 days to spare)
Transplant: Apr 17 🍅 Harvest: Jul 17 – Oct 30

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 110 gal / 100 sq ft
Garlic needs ~2,392 GDD — county provides 3,103 GDD Good fit

Garlic Planting Timeline โ€” McCracken County, KY

Garlic Planting Calendar

Activity When Date Range
Fall Sowing September 18 Sep 18 โ€“ Oct 2

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 6b

Growing Season

214 days

Growing Tips for McCracken 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

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Frequently Asked Questions

When should I plant Garlic in McCracken County, KY?

McCracken County is in Zone 6b with an average last frost of March 30. Plan your Garlic planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is McCracken County, KY?

McCracken County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is March 30 and first fall frost is October 30.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help McCracken County gardeners in Zone 6b 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 McCracken County, KY. Local conditions may vary. Last updated: April 2026.