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When to Plant Endive in Butler County, OH

Endive is a leafy green with a slightly bitter flavor, available in curly (frisee) and broad-leaved (escarole) types. It adds texture and complexity to salads.

Butler County, Ohio is in USDA Zone 6b. The average last spring frost is April 20 and the first fall frost is October 21, giving you a growing season of approximately 184 days.

At an elevation of 704 feet, Butler County receives approximately 37.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Endive during the growing season.

Butler County, OH (Zone 6b) Moderate season
184 days
Last Spring Frost April 20
184 growing days
First Fall Frost October 21

Butler County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Endive Planting Timeline — Butler County, OH

Endive Planting Calendar

Activity When Date Range
Start Indoors March 16 Mar 16 – Mar 30
Transplant Outdoors April 20 Apr 20 – May 4
Direct Sow April 6 Apr 6 – Apr 27
Harvest June 8 Jun 8 – Jul 13
Fall Sowing August 12 Aug 12 – Aug 26

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

45–65 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

184 days in Butler County

Growing Tips for Butler County

Sow seeds directly in spring or fall. Blanch heads by tying outer leaves together 2-3 weeks before harvest to reduce bitterness. Keep soil evenly moist.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Endive in Butler County, OH?

Butler County is in Zone 6b with an average last frost of April 20. Plan your Endive planting based on this frost date — see the calendar above for exact timing.

What planting zone is Butler County, OH?

Butler County, Ohio is in USDA Hardiness Zone 6b. The average last spring frost is April 20 and first fall frost is October 21.

🌱

Your Butler County Garden Planner — Free

A 22-page printable planner built for Butler 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 Butler County, OH. Local conditions may vary. Last updated: July 2026.

Sources & credits

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