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When to Plant Garlic in Muhlenberg 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.

Muhlenberg County, Kentucky is in USDA Zone 6b. The average last spring frost is April 7 and the first fall frost is October 28, giving you a growing season of approximately 204 days.

At an elevation of 3,873 feet, Muhlenberg County receives approximately 54.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89ยฐF, providing good warmth for Garlic during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Garlic root diseases.

Muhlenberg County, KY (Zone 6b) Long season
204 days
Last Spring Frost April 7
204 growing days
First Fall Frost October 28

Muhlenberg County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (5 days to spare)
Transplant: Apr 3 🍅 Harvest: Jul 3 – Oct 16
Recommended (50%) ✓ Fits season (8 days to spare)
Transplant: Apr 7 🍅 Harvest: Jul 7 – Oct 20
Safe Start (90%) ✓ Fits season (8 days to spare)
Transplant: Apr 20 🍅 Harvest: Jul 20 – Nov 2

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Garlic needs ~2,764 GDD — county provides 3,417 GDD Good fit

Garlic Planting Timeline โ€” Muhlenberg County, KY

Garlic Planting Calendar

Activity When Date Range
Fall Sowing September 16 Sep 16 โ€“ Sep 30

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 โ€”
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

204 days

Growing Tips for Muhlenberg 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 Muhlenberg County, KY?

Muhlenberg County is in Zone 6b with an average last frost of April 7. Plan your Garlic planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Muhlenberg County, KY?

Muhlenberg County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 7 and first fall frost is October 28.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Muhlenberg 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 Muhlenberg County, KY. Local conditions may vary. Last updated: April 2026.