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When to Plant Cabbage in Whitley County, IN

Whitley County, Indiana Zone 6a May

May in Whitley County, Indiana — your action list

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

Avg. last frost April 27
Avg. first frost October 16
Soil temp (4") 57°F
Watering Moderate
Pest pressure Low
Daylight 14.3 hrs
Looking ahead to June
  • Starting indoors: cabbage
  • First harvests: cabbage

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Cabbage is a versatile cool-season crop that forms dense, leafy heads in green, red, or savoy varieties. It is a staple for coleslaw, sauerkraut, and many global cuisines.

Whitley County, Indiana is in USDA Zone 6a. The average last spring frost is April 27 and the first fall frost is October 16, giving you a growing season of approximately 172 days.

At an elevation of 584 feet, Whitley County receives approximately 32.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Cabbage to ensure they mature before fall.

Whitley County, IN (Zone 6a) Moderate season
172 days
Last Spring Frost April 27
172 growing days
First Fall Frost October 16

Whitley County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (53 days to spare)
Start indoors: Mar 18 Transplant: Apr 22 🍅 Harvest: Jun 24 – Aug 19
Recommended (50%) ✓ Fits season (53 days to spare)
Start indoors: Mar 23 Transplant: Apr 27 🍅 Harvest: Jun 29 – Aug 24
Safe Start (90%) ✓ Fits season (47 days to spare)
Start indoors: Apr 8 Transplant: May 13 🍅 Harvest: Jul 15 – Sep 9

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 Whitley County

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

Soil pH

Your soil pH (6.0–7.1) is within Cabbage's preferred range (6.0–7.5).

Soil Texture

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

Drainage

Drainage is adequate for Cabbage.

Organic Matter

Organic matter is excellent (4.1%) — Cabbage will thrive.

How to Plant Cabbage

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

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Cabbage

3
successive plantings in your 172-day season

Sow every 6.9 weeks. Last sowing by Jul 08 to harvest before frost.

For a dedicated fall crop, sow by Aug 07.

Plant Water Budget

Plant needs
0.9″/week
Rainfall provides
0.8″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 572 gal / 100 sq ft

Monthly Watering Guide for Cabbage

Cabbage needs approximately 0.9 inches of water per week (3.9" per month). Here's how your county's rainfall compares month by month.

Month Cabbage Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.3" 0" ❄️ Dormant
Mar 2" 0" ❄️ Dormant
Apr 3.9" 2.9" 1" 💧 Light watering
May 3.9" 3.4" 0.5" 💧 Light watering
Jun 3.9" 4.6" 0" ✅ Rainfall sufficient
Jul 3.9" 3.8" 0.1" 💧 Light watering
Aug 3.9" 3.5" 0.4" 💧 Light watering
Sep 3.9" 2.9" 1" 💧 Light watering
Oct 3.9" 2.6" 1.3" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

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

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.

Cabbage needs ~980 GDD — county provides 2,107 GDD Excellent fit

Cabbage Planting Timeline — Whitley County, IN

Cabbage Planting Calendar

Activity When Date Range
Start Indoors March 23 Mar 23 – Apr 6
Transplant Outdoors April 27 Apr 27 – May 11
Direct Sow April 13 Apr 13 – May 4
Harvest June 29 Jun 29 – Aug 24
Fall Sowing August 7 Aug 7 – Aug 21

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · 1-2 times/week

📅 Days to Maturity

60–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: ideal

🗺️ USDA Zone

Zone 6a

📆 Growing Season

172 days in Whitley County

Growing Tips for Cabbage in Whitley County

Direct sow Cabbage outdoors after April 27 in Whitley County when soil has warmed and frost danger has passed.

Common pests for 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. Space plants 18-24 inches apart. Keep soil evenly moist to prevent heads from splitting.

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 Cabbage in Whitley County, IN?

Whitley County is in Zone 6a with an average last frost of April 27. Plan your Cabbage planting based on this frost date — see the calendar above for exact timing.

What planting zone is Whitley County, IN?

Whitley County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 27 and first fall frost is October 16.

🌱

Your Whitley County Garden Planner — Free

A 24-page printable planner built for Whitley County (Zone 6a). 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 Whitley County, IN. 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.