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When to Plant Savoy Cabbage in Bottineau County, ND

Bottineau County, North Dakota Zone 3b May

Your May planting checklist for Bottineau County, North Dakota

Your garden in Bottineau County, North Dakota is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost May 15
Avg. first frost September 23
Soil temp (4") 48°F
Watering Moderate
Pest pressure Low
Daylight 15 hrs
  1. Transplant savoy cabbage outside

    Pinch off the lowest leaves on each seedling before you plant — it reduces water loss while the roots catch up.

  2. Put savoy cabbage seeds straight in the ground

    These tolerate cool soil, so you're not gambling by sowing now.

Looking ahead to June
  • Starting indoors: savoy cabbage

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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.

Bottineau County, North Dakota is in USDA Zone 3b. The average last spring frost is May 15 and the first fall frost is September 23, giving you a growing season of approximately 131 days.

At an elevation of 822 feet, Bottineau County receives approximately 33.3 inches of rainfall annually with predominantly loam soil. Summer highs average 78°F, so choose short-season varieties of Savoy Cabbage to ensure they mature before fall.

Bottineau County, ND (Zone 3b) Short season
131 days
Last Spring Frost May 15
131 growing days
First Fall Frost September 23

Bottineau County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (5 days to spare)
Start indoors: Mar 30 Transplant: May 11 🍅 Harvest: Jul 20 – Sep 14
Recommended (50%) ✓ Fits season (5 days to spare)
Start indoors: Apr 3 Transplant: May 15 🍅 Harvest: Jul 24 – Sep 18
Safe Start (90%) ✓ Fits season (6 days to spare)
Start indoors: Apr 16 Transplant: May 28 🍅 Harvest: Aug 6 – Oct 1

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Bottineau County

How your county's soil matches Savoy Cabbage's growing requirements.

Soil pH

Your soil pH (6.4–7.3) is within Savoy Cabbage's preferred range (6.0–7.5).

Soil Texture

The loam soil in Bottineau County is excellent for Savoy Cabbage — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.9%). Annual compost additions will help Savoy Cabbage.

How to Plant Savoy Cabbage

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Fall planting: Sow 12 weeks before your first frost date for a fall harvest.

Succession Planting Savoy Cabbage

2
successive plantings in your 131-day season

Sow every 8 weeks. Last sowing by Jun 05 to harvest before frost.

For a dedicated fall crop, sow by Jul 01.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Savoy Cabbage

Savoy Cabbage needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Savoy Cabbage Needs Rainfall You Supplement Action
Jan 2.3" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 3" 0" ❄️ Dormant
Apr 3.9" 0" ❄️ Dormant
May 4.3" 3.5" 0.8" 💧 Light watering
Jun 4.3" 2.7" 1.6" 💧 Light watering
Jul 4.3" 3.1" 1.2" 💧 Light watering
Aug 4.3" 3.4" 0.9" 💧 Light watering
Sep 4.3" 2.7" 1.6" 💧 Light watering
Oct 2.6" 0" ❄️ Dormant
Nov 2.4" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

Water needs are for active growing months only (May–Sep in Bottineau County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Savoy Cabbage Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Savoy Cabbage needs ~765 GDD — county provides 1,113 GDD Excellent fit

Savoy Cabbage Planting Timeline — Bottineau County, ND

Savoy Cabbage Planting Calendar

Activity When Date Range
Start Indoors April 3 Apr 3 – Apr 17
Transplant Outdoors May 15 May 15 – May 29
Direct Sow May 8 May 8 – May 29
Harvest July 24 Jul 24 – Sep 18
Fall Sowing July 1 Jul 1 – Jul 15

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

70–110 days

🧪 Soil pH

Needs 6–7.5 · Your soil: ideal

🗺️ USDA Zone

Zone 3b

📆 Growing Season

131 days in Bottineau County

Growing Tips for Savoy Cabbage in Bottineau County

Direct sow Savoy Cabbage outdoors after May 15 in Bottineau County when soil has warmed and frost danger has passed.

Common pests for Savoy Cabbage in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Savoy Cabbage in Bottineau County, ND?

Bottineau County is in Zone 3b with an average last frost of May 15. Plan your Savoy Cabbage planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bottineau County, ND?

Bottineau County, North Dakota is in USDA Hardiness Zone 3b. The average last spring frost is May 15 and first fall frost is September 23.

🌱

Your Bottineau County Garden Planner — Free

A 24-page printable planner built for Bottineau County (Zone 3b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Bottineau County, ND. Local conditions may vary. Last updated: May 2026.

Sources & credits

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