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When to Plant Rutabaga in USDA Zone 6a

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 6a, the average last spring frost is around April 10 and the first fall frost is around October 20, giving you a growing season of approximately 193 days.

Zone 6a Moderate season
193 days
Last Spring Frost April 10
193 growing days
First Fall Frost October 20

Rutabaga Planting Timeline — Zone 6a

Where Is USDA Zone 6a?

The map below highlights the states that contain Zone 6a. 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 6a

Activity When Date Range
Direct Sow March 27 Mar 27 – Apr 17
Harvest June 19 Jun 19 – Jul 24
Fall Sowing August 11 Aug 11 – Aug 25

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 6a Planting Calendar PDF

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

-10°F to -5°F average annual minimum

Growing Season

193 days (Zone 6a average)

Planting Specifications

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

Succession Planting Rutabaga in Zone 6a

2
successive plantings in Zone 6a's ~193-day season

Sow every 9.1 weeks for continuous harvest throughout the season.

Growing Tips for Rutabaga in Zone 6a

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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Garden Plant Markers $6-12

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

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Frequently Asked Questions

When should I plant Rutabaga in Zone 6a?

In Zone 6a, plan your Rutabaga planting around the average last frost date of April 10. Direct sow outdoors around March 27.

Can Rutabaga grow in Zone 6a?

Yes, Rutabaga can grow well in Zone 6a, hardy in USDA zones 2a through 9b. Zone 6a has a growing season of approximately 193 days, which is sufficient for Rutabaga (80-100 days to maturity).

When can I harvest Rutabaga in Zone 6a?

In Zone 6a, expect to harvest Rutabaga from June 19 – July 24. Rutabaga takes 80-100 days from planting to harvest.

What is the last frost date for Zone 6a?

The average last spring frost in Zone 6a is around April 10, and the first fall frost is around October 20. This gives a growing season of approximately 193 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 6a, 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.