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When to Plant Rutabaga in USDA Zone 6b

Rutabagas are a cross between turnips and cabbage, producing large yellow-fleshed roots with a sweet, mild flavor. They are excellent mashed, roasted, or in stews.

In Zone 6b, the average last spring frost is around April 3 and the first fall frost is around October 25, giving you a growing season of approximately 205 days.

Zone 6b Long season
205 days
Last Spring Frost April 3
205 growing days
First Fall Frost October 25

Rutabaga Planting Timeline — Zone 6b

Where Is USDA Zone 6b?

The map below highlights the states that contain Zone 6b. Click any state to see the Rutabaga planting schedule for that location.

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

Rutabaga Planting Calendar — Zone 6b

Activity When Date Range
Direct Sow March 20 Mar 20 – Apr 10
Fall Sowing August 16 Aug 16 – Aug 30
Harvest June 12 Jun 12 – Jul 17

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Free Zone 6b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 6b 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

80–100 days

Soil pH

6 – 7.5

Zone Temperature Range

-5°F to 0°F average annual minimum

Growing Season

205 days (Zone 6b average)

Planting Specifications

Planting Depth1 inches
Plant Spacing15 inches apart
Row Spacing24 inches between rows

Growing Tips for Zone 6b

Direct sow in early summer for fall harvest. Thin seedlings to 6-8 inches apart. Flavor improves significantly after a few light frosts.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Saving Rutabaga 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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Frequently Asked Questions

When should I plant Rutabaga in Zone 6b?

In Zone 6b, plan your Rutabaga planting around the average last frost date of April 3. Direct sow outdoors around March 20.

Can Rutabaga grow in Zone 6b?

Yes, Rutabaga can grow well in Zone 6b, hardy in USDA zones 2a through 9b. Zone 6b has a growing season of approximately 205 days, which is sufficient for Rutabaga (80-100 days to maturity).

When can I harvest Rutabaga in Zone 6b?

In Zone 6b, expect to harvest Rutabaga from June 12 – July 17. Rutabaga takes 80-100 days from planting to harvest.

What is the last frost date for Zone 6b?

The average last spring frost in Zone 6b is around April 3, and the first fall frost is around October 25. This gives a growing season of approximately 205 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Rutabaga?

Good companion plants for Rutabaga include Peas, Onion, 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 6b, 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.