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When to Plant Endive in Garfield County, OK

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.

Garfield County, Oklahoma is in USDA Zone 7a. The average last spring frost is April 8 and the first fall frost is October 28, giving you a growing season of approximately 203 days.

At an elevation of 935 feet, Garfield County receives approximately 26.2 inches of rainfall annually with predominantly loam soil. Summer highs average 89°F, providing good warmth for Endive during the growing season.

Garfield County, OK (Zone 7a) Long season
203 days
Last Spring Frost April 8
203 growing days
First Fall Frost October 28

Garfield County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Endive Planting Timeline — Garfield County, OK

Endive Planting Calendar

Activity When Date Range
Start Indoors March 4 Mar 4 – Mar 18
Transplant Outdoors April 8 Apr 8 – Apr 22
Direct Sow March 25 Mar 25 – Apr 15
Harvest May 27 May 27 – Jul 1
Fall Sowing August 19 Aug 19 – Sep 2

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August Fall Sowing
September Fall Sowing
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 7a

📆 Growing Season

203 days in Garfield County

Growing Tips for Garfield 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 Garfield County, OK?

Garfield County is in Zone 7a with an average last frost of April 8. Plan your Endive planting based on this frost date — see the calendar above for exact timing.

What planting zone is Garfield County, OK?

Garfield County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is April 8 and first fall frost is October 28.

🌱

Your Garfield County Garden Planner — Free

A 22-page printable planner built for Garfield County (Zone 7a). 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 Garfield County, OK. Local conditions may vary. Last updated: June 2026.

Sources & credits

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