Blog

When to plant Thai Basil in Covington County, MS

For Thai Basil in Covington County, the safe spring window opens around March 19 and closes around April 9. Last expected frost is March 12, first fall frost November 15, giving a 248-day growing season.

When to Plant Thai Basil in Covington County, MS

Thai basil has a distinctive anise-licorice flavor with sturdy purple stems and small leaves. It is essential in Thai, Vietnamese, and other Southeast Asian cuisines.

Covington County, Mississippi is in USDA Zone 8b. The average last spring frost is March 12 and the first fall frost is November 15, giving you a growing season of approximately 248 days.

At an elevation of 469 feet, Covington County receives approximately 48.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so Thai Basil may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Thai Basil, but amend with compost to improve drainage and prevent root rot.

Covington County, MS (Zone 8b) Long season
248 days
Last Spring Frost March 12
248 growing days
First Fall Frost November 15

Covington County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.2

Drainage

Well Drained

Monthly Watering Guide for Thai Basil

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

Month Thai Basil Needs Rainfall You Supplement Action
Jan 3.7" 0" ❄️ Dormant
Feb 4.3" 0" ❄️ Dormant
Mar 4.3" 4.3" 0" ✅ Rainfall sufficient
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 5.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.6" 0" ✅ Rainfall sufficient
Sep 4.3" 4.2" 0.1" 💧 Light watering
Oct 4.3" 2.7" 1.6" 💧 Light watering
Nov 4.3" 3.7" 0.6" 💧 Light watering
Dec 4.2" 0" ❄️ Dormant

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

Thai Basil Planting Timeline — Covington County, MS

Thai Basil Planting Calendar

Activity When Date Range
Start Indoors January 22 Jan 22 – Feb 5
Transplant Outdoors March 26 Mar 26 – Apr 9
Direct Sow March 19 Mar 19 – Apr 9
Harvest May 21 May 21 – Jul 23

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–75 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

248 days in Covington County

Growing Tips for Covington County

Start seeds indoors or direct sow after last frost. Thai basil holds up better to heat in cooking than sweet basil. Pinch flowers to prolong leaf production.

Companion Planting

Good Companions

Avoid Planting Near

  • Rue
  • Sage

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Thai Basil in Covington County, MS?

Covington County is in Zone 8b with an average last frost of March 12. Plan your Thai Basil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Covington County, MS?

Covington County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 12 and first fall frost is November 15.

When should I plant Thai Basil in Covington County, MS?

In Covington County, MS, plant Thai Basil after the last frost (around March 12) and before the first frost (around November 15). Best results when soil holds above 50°F.

What growing zone is Covington County, MS for Thai Basil?

Covington County sits in USDA Zone 8b. Thai Basil grows reliably in zones 4a through 11b, so it's a good fit here.

Can Thai Basil grow in Covington County's climate?

Yes — Thai Basil grows well in Covington County's temperate climate. Covington County averages a 248-day frost-free season, with last frost around March 12 and first frost around November 15.

🌱

Your Covington County Garden Planner — Free

A 22-page printable planner built for Covington 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.

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 Covington 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.