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When to plant Napa Cabbage in Jersey County, IL

Napa Cabbage planted in Jersey County between March 28 and April 18 matures in 55–75 days — well before the October 21 first frost. A second sowing from August 12 to August 26 extends the harvest into fall.

When to Plant Napa Cabbage in Jersey County, IL

Napa cabbage forms tall, barrel-shaped heads with tender, crinkled leaves and a mild, slightly sweet flavor. It is the primary cabbage used for kimchi.

Jersey County, Illinois is in USDA Zone 6b. The average last spring frost is April 11 and the first fall frost is October 21, giving you a growing season of approximately 193 days.

At an elevation of 1,202 feet, Jersey County receives approximately 34.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Napa Cabbage during the growing season.

Jersey County, IL (Zone 6b) Moderate season
193 days
Last Spring Frost April 11
193 growing days
First Fall Frost October 21

Jersey County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Napa Cabbage Planting Timeline — Jersey County, IL

Napa Cabbage Planting Calendar

Activity When Date Range
Start Indoors March 7 Mar 7 – Mar 21
Transplant Outdoors April 11 Apr 11 – Apr 25
Direct Sow March 28 Mar 28 – Apr 18
Harvest June 6 Jun 6 – Jul 11
Fall Sowing August 12 Aug 12 – Aug 26

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

55–75 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

193 days in Jersey County

Growing Tips for Jersey County

Best grown as a fall crop. Direct sow in late summer, 60-70 days before first frost. Keep soil evenly moist. Bolt-resistant varieties are available for spring planting.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Napa Cabbage in Jersey County, IL?

Jersey County is in Zone 6b with an average last frost of April 11. Plan your Napa Cabbage planting based on this frost date — see the calendar above for exact timing.

What planting zone is Jersey County, IL?

Jersey County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 11 and first fall frost is October 21.

When should I plant Napa Cabbage in Jersey County, IL?

In Jersey County, IL, plant Napa Cabbage after the last frost (around April 11) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Jersey County, IL for Napa Cabbage?

Jersey County sits in USDA Zone 6b. Napa Cabbage grows reliably in zones 2a through 11b, so it's a good fit here.

Can Napa Cabbage grow in Jersey County's climate?

Yes — Napa Cabbage grows well in Jersey County's temperate climate. Jersey County averages a 193-day frost-free season, with last frost around April 11 and first frost around October 21.

🌱

Your Jersey County Garden Planner — Free

A 22-page printable planner built for Jersey County (Zone 6b). 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 Jersey County, IL. Local conditions may vary. Last updated: August 2026.

Sources & credits

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