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When to plant Mint in Christian County, MO

Christian County sits in cold Zone 6b. Plant Mint April 21–May 5 for the single annual harvest; the October 21 first frost closes the window.

When to Plant Mint in Christian County, MO

Mint

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

Christian County, Missouri is in USDA Zone 6b. The average last spring frost is April 14 and the first fall frost is October 21, giving you a growing season of approximately 190 days.

At an elevation of 983 feet, Christian County receives approximately 34.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Mint during the growing season.

Christian County, MO (Zone 6b) Moderate season
190 days
Last Spring Frost April 14
190 growing days
First Fall Frost October 21

Christian County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Mint Planting Timeline — Christian County, MO

Mint Planting Calendar

Activity When Date Range
Transplant Outdoors April 21 Apr 21 – May 5
Harvest June 23 Jun 23 – Sep 1

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May Transplant Outdoors
June Harvest
July Harvest
August Harvest
September Harvest
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 6b

📆 Growing Season

190 days in Christian County

Growing Tips for Christian 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 Christian County, MO?

Christian County is in Zone 6b with an average last frost of April 14. Plan your Mint planting based on this frost date — see the calendar above for exact timing.

What planting zone is Christian County, MO?

Christian County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 14 and first fall frost is October 21.

When should I plant Mint in Christian County, MO?

In Christian County, MO, plant Mint after the last frost (around April 14) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Christian County, MO for Mint?

Christian County sits in USDA Zone 6b. Mint grows reliably in zones 3a through 10b, so it's a good fit here.

Can Mint grow in Christian County's climate?

Yes — Mint grows well in Christian County's temperate climate. Christian County averages a 190-day frost-free season, with last frost around April 14 and first frost around October 21.

🌱

Your Christian County Garden Planner — Free

A 22-page printable planner built for Christian County (Zone 6b). 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 Christian County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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