Blog

When to Plant Microgreens in Moncton, NB

Microgreens are young seedlings of vegetables and herbs harvested at the cotyledon or first true leaf stage. They pack concentrated flavors and nutrients in a tiny package.

Moncton, New Brunswick is in USDA Zone 6a. The average last spring frost is April 21 and the first fall frost is October 18, giving you a growing season of approximately 180 days.

At an elevation of 32 feet, Moncton receives approximately 38.1 inches of rainfall annually with predominantly gray-brown podzol soil. Summer highs average 81°F, so choose short-season varieties of Microgreens to ensure they mature before fall.

Moncton, NB (Zone 6a) Moderate season
180 days
Last Spring Frost April 21
180 growing days
First Fall Frost October 18

Moncton Soil Profile

Soil Type

Gray-Brown Podzol

Soil pH

6.0-7.0

Drainage

Well Drained

Microgreens Planting Timeline — Moncton, NB

Microgreens Planting Calendar

Activity When Date Range
Start Indoors March 17 Mar 17 – Mar 31
Transplant Outdoors April 21 Apr 21 – May 5
Direct Sow April 7 Apr 7 – Apr 28
Harvest April 28 Apr 28 – May 26
Fall Sowing August 9 Aug 9 – Aug 23

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

7–21 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

180 days in Moncton

Growing Tips for Moncton

Sow seeds densely on shallow trays of moist growing medium. Cover until germination, then provide light. Harvest with scissors when 1-3 inches tall. Grow year-round indoors.

Frequently Asked Questions

When should I plant Microgreens in Moncton, NB?

Moncton is in Zone 6a with an average last frost of April 21. Plan your Microgreens planting based on this frost date — see the calendar above for exact timing.

What planting zone is Moncton, NB?

Moncton, New Brunswick is in USDA Hardiness Zone 6a. The average last spring frost is April 21 and first fall frost is October 18.

🌱

Your Moncton Garden Planner — Free

A 22-page printable planner built for Moncton (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Moncton, NB. 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.