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When to Plant Rutabaga in USDA Zone 9a

Zone 9a Zone 9a April

April in Zone 9a — your action list

We've pulled the most time-sensitive tasks for Zone 9a this April and put them front and centre. Tackle them in order.

Avg. last frost February 14
Avg. first frost December 5
  1. Harvest rutabaga as they ripen

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

To set up a strong May, finish these tasks
  • First harvests: rutabaga
Want it on paper? Download your Zone 9a planting guide →

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 9a, the average last spring frost is around February 10 and the first fall frost is around December 10, giving you a growing season of approximately 303 days.

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Zone 9a Year-round
303 days
Last Spring Frost February 10
303 growing days
First Fall Frost December 10

Rutabaga Planting Timeline — Zone 9a

Where Is USDA Zone 9a?

The map below highlights the states that contain Zone 9a. 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 9a

Activity When Date Range
Direct Sow January 20 Jan 20 – Feb 10
Harvest April 14 Apr 14 – May 19
Fall Sowing October 15 Oct 15 – Oct 29

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

Month-by-Month Timeline

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

Free Zone 9a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 9a 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

°F to °F average annual minimum

Growing Season

303 days (Zone average)

Planting Specifications

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

Succession Planting Rutabaga in Zone

4
successive plantings in Zone 's ~303-day season

Sow every 9.1 weeks for continuous harvest throughout the season.

Growing Tips for Rutabaga in Zone

Zone has a short growing season (~303 days). Start Rutabaga indoors early and use season-extension techniques like row covers and cold frames.

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
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Saving Rutabaga Seeds

Recommended for Your Garden

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
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.

Related Plants

Frequently Asked Questions

When should I plant Rutabaga in Zone 9a?

In Zone 9a, plan your Rutabaga planting around the average last frost date of February 10. Direct sow outdoors around January 20.

Can Rutabaga grow in Zone 9a?

Yes, Rutabaga can grow well in Zone 9a, hardy in USDA zones 2a through 9b. Zone 9a has a growing season of approximately 303 days, which is sufficient for Rutabaga (80-100 days to maturity).

When can I harvest Rutabaga in Zone 9a?

In Zone 9a, expect to harvest Rutabaga from April 14 – May 19. Rutabaga takes 80-100 days from planting to harvest.

What is the last frost date for Zone 9a?

The average last spring frost in Zone 9a is around February 10, and the first fall frost is around December 10. This gives a growing season of approximately 303 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.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

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.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.