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When to plant Mint in Liberty County County,

In Liberty County County, Mint is a single-season spring crop — there's no second fall window. Plant March 11–March 25 for an 90-day harvest, finishing well before the November 26 first frost.

When to Plant Mint in Liberty County, FL

Mint

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

Liberty County, Florida is in USDA Zone 9a. The average last spring frost is March 4 and the first fall frost is November 26, giving you a growing season of approximately 267 days.

At an elevation of 152 feet, Liberty County receives approximately 54.8 inches of rainfall annually with predominantly sand soil. Summer highs average 94°F, providing good warmth for Mint during the growing season. Sandy soil warms quickly in spring — great for early planting — but Mint will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mint root diseases.

Liberty County, FL (Zone 9a) Long season
267 days
Last Spring Frost March 4
267 growing days
First Fall Frost November 26

Liberty County Soil Profile

Soil Type

Sand

Soil pH

4.9-6.1

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 2.3" 0" ❄️ Dormant
Feb 2.5" 0" ❄️ Dormant
Mar 4.3" 3.6" 0.7" 💧 Light watering
Apr 4.3" 2.7" 1.6" 💧 Light watering
May 4.3" 3.5" 0.8" 💧 Light watering
Jun 4.3" 8" 0" ✅ Rainfall sufficient
Jul 4.3" 8" 0" ✅ Rainfall sufficient
Aug 4.3" 7.6" 0" ✅ Rainfall sufficient
Sep 4.3" 7.9" 0" ✅ Rainfall sufficient
Oct 4.3" 4.5" 0" ✅ Rainfall sufficient
Nov 4.3" 2" 2.3" 🚿 Regular watering
Dec 2.3" 0" ❄️ Dormant

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

Mint Planting Timeline — Liberty County, FL

Mint Planting Calendar

Activity When Date Range
Transplant Outdoors March 11 Mar 11 – Mar 25
Harvest May 13 May 13 – Jul 22

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 9a

📆 Growing Season

267 days in Liberty County

Growing Tips for Liberty 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 Liberty County, FL?

Liberty County is in Zone 9a with an average last frost of March 4. Plan your Mint planting based on this frost date — see the calendar above for exact timing.

What planting zone is Liberty County, FL?

Liberty County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 4 and first fall frost is November 26.

When should I plant Mint in Liberty County County, ?

In Liberty County County, , plant Mint after the last frost (around March 4) and before the first frost (around November 26). Best results when soil holds above 50°F.

What growing zone is Liberty County County, for Mint?

Liberty County County sits in USDA Zone 9a. Mint grows reliably in zones 3a through 10b, so it's a good fit here.

Can Mint grow in Liberty County County's climate?

Yes — Mint grows well in Liberty County County's temperate climate. Liberty County County averages a 267-day frost-free season, with last frost around March 4 and first frost around November 26.

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Your Liberty County Garden Planner — Free

A 22-page printable planner built for Liberty County (Zone 9a). 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 Liberty County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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