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When to Plant Endive in Windsor-Essex, ON

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.

Windsor-Essex, Ontario is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 1, giving you a growing season of approximately 220 days.

At an elevation of 623 feet, Windsor-Essex receives approximately 41.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90Β°F, providing good warmth for Endive during the growing season. Clay soil retains moisture well for Endive, but amend with compost to improve drainage and prevent root rot.

Windsor-Essex, ON (Zone 8a) Long season
220 days
Last Spring Frost March 26
220 growing days
First Fall Frost November 1

Windsor-Essex Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Monthly Watering Guide for Endive

Endive needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Endive Needs Rainfall You Supplement Action
Jan β€” 1.7" 0" ❄️ Dormant
Feb β€” 1.7" 0" ❄️ Dormant
Mar 4.3" 3.1" 1.2" πŸ’§ Light watering
Apr 4.3" 3.8" 0.5" πŸ’§ Light watering
May 4.3" 5.3" 0" βœ… Rainfall sufficient
Jun 4.3" 5.8" 0" βœ… Rainfall sufficient
Jul 4.3" 4" 0.3" πŸ’§ Light watering
Aug 4.3" 4.5" 0" βœ… Rainfall sufficient
Sep 4.3" 4" 0.3" πŸ’§ Light watering
Oct 4.3" 3" 1.3" πŸ’§ Light watering
Nov 4.3" 2.6" 1.7" πŸ’§ Light watering
Dec β€” 2.3" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Windsor-Essex). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Endive Planting Timeline β€” Windsor-Essex, ON

Endive Planting Calendar

Activity When Date Range
Start Indoors February 19 Feb 19 – Mar 5
Transplant Outdoors March 26 Mar 26 – Apr 9
Direct Sow March 12 Mar 12 – Apr 2
Harvest May 14 May 14 – Jun 18
Fall Sowing August 23 Aug 23 – Sep 6

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

45–65 days

πŸ§ͺ Soil pH

Needs 5.5–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

220 days in Windsor-Essex

Growing Tips for Windsor-Essex

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 Windsor-Essex, ON?

Windsor-Essex is in Zone 8a with an average last frost of March 26. Plan your Endive planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Windsor-Essex, ON?

Windsor-Essex, Ontario is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 1.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Windsor-Essex gardeners in Zone 8a 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 Windsor-Essex, ON. Local conditions may vary. Last updated: April 2026.