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When to Plant Squash (Winter) in Thompson-Nicola, BC

Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.

Thompson-Nicola, British Columbia is in USDA Zone 7a. The average last spring frost is April 16 and the first fall frost is November 2, giving you a growing season of approximately 200 days.

At an elevation of 1,131 feet, Thompson-Nicola receives approximately 63.4 inches of rainfall annually with predominantly podzolic loam soil. Summer highs average 89°F, providing good warmth for Squash (Winter) during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Squash (Winter) root diseases.

Thompson-Nicola, BC (Zone 7a) Long season
200 days
Last Spring Frost April 16
200 growing days
First Fall Frost November 2

Thompson-Nicola Soil Profile

Soil Type

Podzolic Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Monthly Watering Guide for Squash (Winter)

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

Month Squash (Winter) Needs Rainfall You Supplement Action
Jan 3" 0" ❄️ Dormant
Feb 2.4" 0" ❄️ Dormant
Mar 4.3" 0" ❄️ Dormant
Apr 4.3" 6.7" 0" ✅ Rainfall sufficient
May 4.3" 8" 0" ✅ Rainfall sufficient
Jun 4.3" 8.2" 0" ✅ Rainfall sufficient
Jul 4.3" 5.9" 0" ✅ Rainfall sufficient
Aug 4.3" 6.3" 0" ✅ Rainfall sufficient
Sep 4.3" 5.8" 0" ✅ Rainfall sufficient
Oct 4.3" 4.7" 0" ✅ Rainfall sufficient
Nov 4.3" 4.5" 0" ✅ Rainfall sufficient
Dec 3.5" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Nov in Thompson-Nicola). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Squash (Winter) Planting Timeline — Thompson-Nicola, BC

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 – Apr 2
Transplant Outdoors April 30 Apr 30 – May 14
Direct Sow April 23 Apr 23 – May 14
Harvest July 23 Jul 23 – Sep 17

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Transplant Outdoors Direct Sow
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

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

200 days in Thompson-Nicola

Growing Tips for Thompson-Nicola

Direct sow after last frost on rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Squash (Winter) in Thompson-Nicola, BC?

Thompson-Nicola is in Zone 7a with an average last frost of April 16. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Thompson-Nicola, BC?

Thompson-Nicola, British Columbia is in USDA Hardiness Zone 7a. The average last spring frost is April 16 and first fall frost is November 2.

🌱

Your Thompson-Nicola Garden Planner — Free

A 22-page printable planner built for Thompson-Nicola (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 Thompson-Nicola, BC. 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.