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When to Plant Savoy Cabbage in USDA Zone 1a

Savoy cabbage has crinkled, deeply veined leaves that form looser heads than regular cabbage. It has a milder, sweeter flavor and is more cold-tolerant.

In Zone 1a, the average last spring frost is around June 15 and the first fall frost is around August 15, giving you a growing season of approximately 61 days.

Zone 1a Very short season
61 days
Last Spring Frost June 15
61 growing days
First Fall Frost August 15

Savoy Cabbage Planting Timeline — Zone 1a

Where Is USDA Zone 1a?

The map below highlights the states that contain Zone 1a. Click any state to see the Savoy Cabbage planting schedule for that location.

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

Savoy Cabbage Planting Calendar — Zone 1a

Activity When Date Range
Start Indoors May 4 May 4 – May 18
Transplant Outdoors June 15 Jun 15 – Jun 29
Direct Sow June 8 Jun 8 – Jun 29
Harvest August 24 Aug 24 – Oct 19
Fall Sowing May 23 May 23 – Jun 6

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

Month-by-Month Timeline

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

Free Zone 1a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 1a 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

70–110 days

Soil pH

6 – 7.5

Zone Temperature Range

-60°F to -55°F average annual minimum

Growing Season

61 days (Zone 1a average)

Planting Specifications

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

Growing Tips for Savoy Cabbage in Zone 1a

Zone 1a has a short growing season (~61 days). Start Savoy Cabbage indoors early and use season-extension techniques like row covers and cold frames.

Start seeds indoors 4-6 weeks before last frost. Savoy cabbage is more forgiving of temperature fluctuations than smooth-leaved types. Excellent for stuffed cabbage rolls.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes

Level Up Your Garden

Saving Savoy Cabbage Seeds

Recommended for Your Garden

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LED Grow Lights $25-60

Full-spectrum LED lights for starting seeds indoors when daylight is limited.

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Seedling Heat Mat $15-35

Warm soil for faster germination of heat-loving crops like tomatoes and peppers.

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Floating Row Covers $12-30

Protect plants from frost, wind, and pests while letting light and water through.

Related Plants

Frequently Asked Questions

When should I plant Savoy Cabbage in Zone 1a?

In Zone 1a, plan your Savoy Cabbage planting around the average last frost date of June 15. Start seeds indoors around May 4. Direct sow outdoors around June 8. Transplant seedlings around June 15.

Can Savoy Cabbage grow in Zone 1a?

Yes, Savoy Cabbage can grow well in Zone 1a, hardy in USDA zones 1a through 10b. Zone 1a has a growing season of approximately 61 days, which is sufficient for Savoy Cabbage (70-110 days to maturity).

When can I harvest Savoy Cabbage in Zone 1a?

In Zone 1a, expect to harvest Savoy Cabbage from August 24 – October 19. Savoy Cabbage takes 70-110 days from planting to harvest.

What is the last frost date for Zone 1a?

The average last spring frost in Zone 1a is around June 15, and the first fall frost is around August 15. This gives a growing season of approximately 61 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Savoy Cabbage?

Good companion plants for Savoy Cabbage include Celery, Dill, Onion. 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 1a, 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.