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When to plant Mint in Marion County, MS

Plant Mint in Marion County, between March 15 and March 29 — the only viable window. Zone 8b's short season (257 frost-free days) rules out a fall crop.

When to Plant Mint in Marion County, MS

Mint
Marion County, Mississippi Zone 8b June

Your June game plan for Marion County, Mississippi

Your garden in Marion County, Mississippi is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost March 8
Avg. first frost November 20
Soil temp (4") 83°F
Watering Low
Pest pressure High
Daylight 14 hrs
  1. Start harvesting mint

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

July prep starts now
  • First harvests: mint

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

Marion County, Mississippi is in USDA Zone 8b. The average last spring frost is March 8 and the first fall frost is November 20, giving you a growing season of approximately 257 days.

At an elevation of 330 feet, Marion County receives approximately 48.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91°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.

Marion County, MS (Zone 8b) Long season
257 days
Last Spring Frost March 8
257 growing days
First Fall Frost November 20

Marion County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.3

Drainage

Well Drained

Monthly Watering Guide for Mint

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

Month Mint Needs Rainfall You Supplement Action
Jan 3.7" 0" ❄️ Dormant
Feb 3.5" 0" ❄️ Dormant
Mar 4.3" 4.4" 0" ✅ Rainfall sufficient
Apr 4.3" 3.8" 0.5" 💧 Light watering
May 4.3" 4.1" 0.2" 💧 Light watering
Jun 4.3" 4.4" 0" ✅ Rainfall sufficient
Jul 4.3" 5.7" 0" ✅ Rainfall sufficient
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 4" 0.3" 💧 Light watering
Oct 4.3" 3.2" 1.1" 💧 Light watering
Nov 4.3" 3.5" 0.8" 💧 Light watering
Dec 3.6" 0" ❄️ Dormant

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

Mint Planting Timeline — Marion County, MS

Mint Planting Calendar

Activity When Date Range
Transplant Outdoors March 15 Mar 15 – Mar 29
Harvest May 17 May 17 – Jul 26

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April
May Harvest
June Harvest
July Harvest
August
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 8b

📆 Growing Season

257 days in Marion County

Growing Tips for Marion 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 Marion County, MS?

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

What planting zone is Marion County, MS?

Marion County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 8 and first fall frost is November 20.

When should I plant Mint in Marion County, MS?

In Marion County, MS, plant Mint after the last frost (around March 8) and before the first frost (around November 20). Best results when soil holds above 50°F.

What growing zone is Marion County, MS for Mint?

Marion County sits in USDA Zone 8b. Mint grows reliably in zones 3a through 10b, so it's a good fit here.

Can Mint grow in Marion County's climate?

Yes — Mint grows well in Marion County's temperate climate. Marion County averages a 257-day frost-free season, with last frost around March 8 and first frost around November 20.

🌱

Your Marion County Garden Planner — Free

A 22-page printable planner built for Marion County (Zone 8b). 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 Marion County, MS. 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.