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When to Plant Chinese Cabbage in Sandusky County, OH

Chinese cabbage (Napa cabbage) forms elongated, barrel-shaped heads with tender, mild-flavored leaves. It is a staple in Asian cooking, particularly for kimchi.

Sandusky County, Ohio is in USDA Zone 5b. The average last spring frost is April 25 and the first fall frost is October 22, giving you a growing season of approximately 180 days.

At an elevation of 789 feet, Sandusky County receives approximately 38.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Chinese Cabbage to ensure they mature before fall.

Sandusky County, OH (Zone 5b) Moderate season
180 days
Last Spring Frost April 25
180 growing days
First Fall Frost October 22

Sandusky County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (97 days to spare)
Start indoors: Mar 15 Transplant: Apr 19 🍅 Harvest: Jun 14 – Jul 12
Recommended (50%) ✓ Fits season (96 days to spare)
Start indoors: Mar 21 Transplant: Apr 25 🍅 Harvest: Jun 20 – Jul 18
Safe Start (90%) ✓ Fits season (98 days to spare)
Start indoors: Mar 30 Transplant: May 4 🍅 Harvest: Jun 29 – Jul 27

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.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.9″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 964 gal / 100 sq ft
Chinese Cabbage needs ~735 GDD — county provides 2,205 GDD Excellent fit

Chinese Cabbage Planting Timeline โ€” Sandusky County, OH

Chinese Cabbage Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 โ€“ Apr 4
Transplant Outdoors April 25 Apr 25 โ€“ May 9
Direct Sow April 11 Apr 11 โ€“ May 2
Fall Sowing August 13 Aug 13 โ€“ Aug 27
Harvest June 20 Jun 20 โ€“ Jul 18

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5b

Growing Season

180 days

Growing Tips for Sandusky County

Best grown as a fall crop to avoid bolting. Start seeds indoors or direct sow in late summer. Keep soil consistently moist and provide shade in warm weather.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes

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Frequently Asked Questions

When should I plant Chinese Cabbage in Sandusky County, OH?

Sandusky County is in Zone 5b with an average last frost of April 25. Plan your Chinese Cabbage planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Sandusky County, OH?

Sandusky County, Ohio is in USDA Hardiness Zone 5b. The average last spring frost is April 25 and first fall frost is October 22.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Sandusky County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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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 Sandusky County, OH. Local conditions may vary. Last updated: April 2026.