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When to plant Cumin in Simpson County, MS

The best window to plant Cumin in Simpson County, is February 24–March 17, when soil warms to 50°F. Last frost typically hits March 10; first frost November 15. A second sowing from September 6 to September 20 extends the harvest into fall.

When to Plant Cumin in Simpson County, MS

Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.

Simpson County, Mississippi is in USDA Zone 8b. The average last spring frost is March 10 and the first fall frost is November 15, giving you a growing season of approximately 250 days.

At an elevation of 90 feet, Simpson County receives approximately 48.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so Cumin may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Cumin, but amend with compost to improve drainage and prevent root rot.

Simpson County, MS (Zone 8b) Long season
250 days
Last Spring Frost March 10
250 growing days
First Fall Frost November 15

Simpson County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.8

Drainage

Well Drained

Monthly Watering Guide for Cumin

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

Month Cumin Needs Rainfall You Supplement Action
Jan 4.3" 0" ❄️ Dormant
Feb 4" 0" ❄️ Dormant
Mar 4.3" 4.3" 0" ✅ Rainfall sufficient
Apr 4.3" 3.9" 0.4" 💧 Light watering
May 4.3" 4.1" 0.2" 💧 Light watering
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 4.8" 0" ✅ Rainfall sufficient
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 3.9" 0.4" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 4.3" 3.4" 0.9" 💧 Light watering
Dec 3.7" 0" ❄️ Dormant

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

Cumin Planting Timeline — Simpson County, MS

Cumin Planting Calendar

Activity When Date Range
Start Indoors February 3 Feb 3 – Feb 17
Transplant Outdoors March 3 Mar 3 – Mar 17
Direct Sow February 24 Feb 24 – Mar 17
Harvest June 16 Jun 16 – Aug 18
Fall Sowing September 6 Sep 6 – Sep 20

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

250 days in Simpson County

Growing Tips for Simpson County

Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cumin in Simpson County, MS?

Simpson County is in Zone 8b with an average last frost of March 10. Plan your Cumin planting based on this frost date — see the calendar above for exact timing.

What planting zone is Simpson County, MS?

Simpson County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 10 and first fall frost is November 15.

When should I plant Cumin in Simpson County, MS?

In Simpson County, MS, plant Cumin after the last frost (around March 10) and before the first frost (around November 15). Best results when soil holds above 50°F.

What growing zone is Simpson County, MS for Cumin?

Simpson County sits in USDA Zone 8b. Cumin grows reliably in zones 5a through 11b, so it's a good fit here.

Can Cumin grow in Simpson County's climate?

Yes — Cumin grows well in Simpson County's temperate climate. Simpson County averages a 250-day frost-free season, with last frost around March 10 and first frost around November 15.

🌱

Your Simpson County Garden Planner — Free

A 22-page printable planner built for Simpson 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 Simpson County, MS. Local conditions may vary. Last updated: July 2026.

Sources & credits

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