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When to Plant Mint in Durham County, NC

Mint

Mint is a vigorous perennial herb with refreshing, aromatic leaves used in teas, cocktails, and cooking. It spreads aggressively by underground runners.

Durham County, North Carolina is in USDA Zone 8a. The average last spring frost is April 2 and the first fall frost is November 3, giving you a growing season of approximately 215 days.

At an elevation of 727 feet, Durham County receives approximately 40.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90°F, providing good warmth for Mint during the growing season. Clay soil retains moisture well for Mint, but amend with compost to improve drainage and prevent root rot.

Durham County, NC (Zone 8a) Long season
215 days
Last Spring Frost April 2
215 growing days
First Fall Frost November 3

Durham County Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Mint Planting Timeline — Durham County, NC

Mint Planting Calendar

Activity When Date Range
Transplant Outdoors April 9 Apr 9 – Apr 23
Harvest June 11 Jun 11 – Aug 20

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8a

📆 Growing Season

215 days in Durham County

Growing Tips for Durham County

Always grow mint in containers or with underground barriers to control spreading. Harvest regularly to keep plants compact. Cut plants back in late summer for a fresh fall flush.

Companion Planting

Good Companions

Avoid Planting Near

  • Parsley

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Mint in Durham County, NC?

Durham County is in Zone 8a with an average last frost of April 2. Plan your Mint planting based on this frost date — see the calendar above for exact timing.

What planting zone is Durham County, NC?

Durham County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is April 2 and first fall frost is November 3.

🌱

Your Durham County Garden Planner — Free

A 22-page printable planner built for Durham County (Zone 8a). 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 Durham County, NC. 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.