When to plant Thai Basil in Pope County, IL
In Pope County, plant Thai Basil in spring between April 14 and May 5, once soil temps hold above 50°F. Pope County's last frost averages April 7, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between and — roughly 50–75 days before the first frost on October 21.
When to Plant Thai Basil in Pope County, IL
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.
Pope County, Illinois is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 21, giving you a growing season of approximately 197 days.
At an elevation of 1,120 feet, Pope County receives approximately 39.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Thai Basil during the growing season.
Pope County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Thai Basil Planting Timeline — Pope County, IL
Thai Basil Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 17 | Feb 17 – Mar 3 |
| Transplant Outdoors | April 21 | Apr 21 – May 5 |
| Direct Sow | April 14 | Apr 14 – May 5 |
| Harvest | June 16 | Jun 16 – Aug 18 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| 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 7a
📆 Growing Season
197 days in Pope County
Growing Tips for Pope 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
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Thai Basil in Other Locations
Frequently Asked Questions
When should I plant Thai Basil in Pope County, IL?
Pope County is in Zone 7a with an average last frost of April 7. Plan your Thai Basil planting based on this frost date — see the calendar above for exact timing.
What planting zone is Pope County, IL?
Pope County, Illinois is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 21.
When should I plant Thai Basil in Pope County, IL?
In Pope County, IL, plant Thai Basil after the last frost (around April 7) and before the first frost (around October 21). Best results when soil holds above 50°F.
What growing zone is Pope County, IL for Thai Basil?
Pope County sits in USDA Zone 7a. Thai Basil grows reliably in zones 4a through 11b, so it's a good fit here.
Can Thai Basil grow in Pope County's climate?
Yes — Thai Basil grows well in Pope County's temperate climate. Pope County averages a 197-day frost-free season, with last frost around April 7 and first frost around October 21.
Your Pope County Garden Planner — Free
A 22-page printable planner built for Pope County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.