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When to Plant Thai Basil in Henry County, VA

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.

Henry County, Virginia is in USDA Zone 7b. The average last spring frost is April 14 and the first fall frost is October 24, giving you a growing season of approximately 193 days.

At an elevation of 1,171 feet, Henry County receives approximately 46.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Thai Basil during the growing season.

Henry County, VA (Zone 7b) Moderate season
193 days
Last Spring Frost April 14
193 growing days
First Fall Frost October 24

Henry County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Thai Basil Planting Timeline — Henry County, VA

Thai Basil Planting Calendar

Activity When Date Range
Start Indoors February 24 Feb 24 – Mar 10
Transplant Outdoors April 28 Apr 28 – May 12
Direct Sow April 21 Apr 21 – May 12
Harvest June 23 Jun 23 – Aug 25

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August Harvest
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 7b

📆 Growing Season

193 days in Henry County

Growing Tips for Henry 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 Henry County, VA?

Henry County is in Zone 7b with an average last frost of April 14. Plan your Thai Basil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Henry County, VA?

Henry County, Virginia is in USDA Hardiness Zone 7b. The average last spring frost is April 14 and first fall frost is October 24.

🌱

Your Henry County Garden Planner — Free

A 22-page printable planner built for Henry County (Zone 7b). 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 Henry County, VA. 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.