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When to Plant Garlic in USDA Zone 8b

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.

In Zone 8b, the average last spring frost is around February 25 and the first fall frost is around November 28, giving you a growing season of approximately 276 days.

Zone 8b Year-round
276 days
Last Spring Frost February 25
276 growing days
First Fall Frost November 28

Garlic Planting Timeline — Zone 8b

Where Is USDA Zone 8b?

The map below highlights the states that contain Zone 8b. Click any state to see the Garlic planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Garlic Planting Calendar — Zone 8b

Activity When Date Range
Fall Sowing October 17 Oct 17 – Oct 31

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

Month-by-Month Timeline

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

Free Zone 8b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 8b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate — regular watering

Days to Maturity

90–240 days

Soil pH

6 – 7.5

Zone Temperature Range

15°F to 20°F average annual minimum

Growing Season

276 days (Zone 8b average)

Planting Specifications

Planting Depth1 inches
Plant Spacing6 inches apart
Row Spacing12 inches between rows

Growing Tips for Zone 8b

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

Saving Garlic Seeds

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Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

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Keep your garden organized with durable, weather-resistant plant labels.

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Frequently Asked Questions

When should I plant Garlic in Zone 8b?

In Zone 8b, plan your Garlic planting around the average last frost date of February 25.

Can Garlic grow in Zone 8b?

Yes, Garlic can grow well in Zone 8b, hardy in USDA zones 3a through 9b. Zone 8b has a growing season of approximately 276 days, which is sufficient for Garlic (90-240 days to maturity).

What is the last frost date for Zone 8b?

The average last spring frost in Zone 8b is around February 25, and the first fall frost is around November 28. This gives a growing season of approximately 276 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Garlic?

Good companion plants for Garlic include Tomatoes, Peppers, Lettuce, Carrots. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 8b, track your crops, and plan your garden season from seed to harvest.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.