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When to Plant Mulberries in Rimouski, QC

Mulberries are fast-growing, long-lived trees that produce abundant sweet-tart berries over an extended harvest period. The berries resemble elongated blackberries.

Rimouski, Quebec is in USDA Zone 5a. The average last spring frost is May 4 and the first fall frost is October 11, giving you a growing season of approximately 160 days.

At an elevation of 114 feet, Rimouski receives approximately 31.2 inches of rainfall annually with predominantly gray-brown podzol soil. Summer highs average 73°F, so choose short-season varieties of Mulberries to ensure they mature before fall.

Rimouski, QC (Zone 5a) Moderate season
160 days
Last Spring Frost May 4
160 growing days
First Fall Frost October 11

Rimouski Soil Profile

Soil Type

Gray-Brown Podzol

Soil pH

6.0-7.0

Drainage

Well Drained

Mulberries Planting Timeline — Rimouski, QC

Mulberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 25 May 25 – Jun 8

· 120" apart · Rows 144" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June Transplant Outdoors
July
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

730–1825 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

160 days in Rimouski

Growing Tips for Rimouski

Plant away from driveways and patios as fallen berries stain. Minimal pruning is needed. Harvest by shaking branches over a tarp. Birds love mulberries so plant extra.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mulberries in Rimouski, QC?

Rimouski is in Zone 5a with an average last frost of May 4. Plan your Mulberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rimouski, QC?

Rimouski, Quebec is in USDA Hardiness Zone 5a. The average last spring frost is May 4 and first fall frost is October 11.

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Your Rimouski Garden Planner — Free

A 22-page printable planner built for Rimouski (Zone 5a). 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 Rimouski, QC. 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.