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When to Plant Basil in Nipissing, ON

Basil

Basil is a fragrant warm-season herb essential to Italian and Thai cuisines. It comes in many varieties including sweet, Thai, purple, and lemon types.

Nipissing, Ontario is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 8, giving you a growing season of approximately 167 days.

At an elevation of 656 feet, Nipissing receives approximately 28.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 78°F, so choose short-season varieties of Basil to ensure they mature before fall. Clay soil retains moisture well for Basil, but amend with compost to improve drainage and prevent root rot.

Nipissing, ON (Zone 5b) Moderate season
167 days
Last Spring Frost April 24
167 growing days
First Fall Frost October 8

Nipissing Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Basil Planting Timeline — Nipissing, ON

Basil Planting Calendar

Activity When Date Range
Start Indoors March 6 Mar 6 – Mar 20
Transplant Outdoors May 8 May 8 – May 22
Direct Sow May 1 May 1 – May 22
Harvest July 3 Jul 3 – Sep 4

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–75 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

167 days in Nipissing

Growing Tips for Nipissing

Start seeds indoors or direct sow after last frost. Pinch flower buds to extend leaf production. Harvest leaves from the top down, cutting just above a leaf pair.

Companion Planting

Good Companions

Avoid Planting Near

  • Rue
  • Sage

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Basil Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Let flower spikes dry brown on the plant.
Storage Store airtight; viable 5 years at 35°F, under 45% humidity.

Isolate 150 ft between varieties. Different basil species can cross.

Frequently Asked Questions

When should I plant Basil in Nipissing, ON?

Nipissing is in Zone 5b with an average last frost of April 24. Plan your Basil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Nipissing, ON?

Nipissing, Ontario is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 8.

🌱

Your Nipissing Garden Planner — Free

A 22-page printable planner built for Nipissing (Zone 5b). 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 Nipissing, ON. Local conditions may vary. Last updated: June 2026.

Sources & credits

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