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When to Plant Radish in Wellington, ON

Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.

Wellington, Ontario is in USDA Zone 7a. The average last spring frost is April 10 and the first fall frost is October 27, giving you a growing season of approximately 200 days.

At an elevation of 1,095 feet, Wellington receives approximately 39.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 83°F, so choose short-season varieties of Radish to ensure they mature before fall. Clay soil retains moisture well for Radish, but amend with compost to improve drainage and prevent root rot.

Wellington, ON (Zone 7a) Long season
200 days
Last Spring Frost April 10
200 growing days
First Fall Frost October 27

Wellington Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Radish Planting Timeline — Wellington, ON

Radish Planting Calendar

Activity When Date Range
Direct Sow March 27 Mar 27 – Apr 17
Harvest April 24 Apr 24 – May 15
Fall Sowing August 18 Aug 18 – Sep 1

Plant 0.5" deep · 2" apart · Rows 6" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

22–35 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

200 days in Wellington

Growing Tips for Wellington

Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.

Companion Planting

Good Companions

Avoid Planting Near

  • Hyssop

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Radish in Wellington, ON?

Wellington is in Zone 7a with an average last frost of April 10. Plan your Radish planting based on this frost date — see the calendar above for exact timing.

What planting zone is Wellington, ON?

Wellington, Ontario is in USDA Hardiness Zone 7a. The average last spring frost is April 10 and first fall frost is October 27.

🌱

Your Wellington Garden Planner — Free

A 22-page printable planner built for Wellington (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 Wellington, ON. 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.