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When to Plant Basil in Glades County, FL

Basil is a fragrant warm-season herb essential to Italian and Thai cuisines. It comes in many varieties including sweet, Thai, purple, and lemon types.

Glades County, Florida is in USDA Zone 9b. The average last spring frost is February 1 and the first fall frost is December 19, giving you a growing season of approximately 321 days.

At an elevation of 434 feet, Glades County receives approximately 54.3 inches of rainfall annually with predominantly sand soil. Summer highs average 101ยฐF, so Basil may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Basil will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Basil root diseases.

Glades County, FL (Zone 9b) Year-round
321 days
Last Spring Frost February 1
321 growing days
First Fall Frost December 19

Glades County Soil Profile

Soil Type

Sand

Soil pH

5.1-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (193 days to spare)
Start indoors: Dec 11 Transplant: Jan 29 🍅 Harvest: Mar 26 – May 28
Recommended (50%) ✓ Fits season (195 days to spare)
Start indoors: Dec 21 Transplant: Feb 8 🍅 Harvest: Apr 5 – Jun 7
Safe Start (90%) ✓ Fits season (172 days to spare)
Start indoors: Jan 18 Transplant: Mar 8 🍅 Harvest: May 3 – Jul 5

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.7″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,696 gal / 100 sq ft
Basil needs ~1,609 GDD — county provides 8,291 GDD Excellent fit

Basil Planting Timeline โ€” Glades County, FL

Basil Planting Calendar

Activity When Date Range
Start Indoors December 21 Dec 21 โ€“ Jan 4
Transplant Outdoors February 8 Feb 8 โ€“ Feb 22
Direct Sow February 8 Feb 8 โ€“ Mar 1
Harvest April 5 Apr 5 โ€“ Jun 7

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

50โ€“75 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 9b

Growing Season

321 days

Growing Tips for Glades County

Start seeds indoors or direct sow after last frost. Pinch flower buds to extend leaf production. Harvest leaves from the top down, cutting just above a leaf pair.

Companion Planting

Good Companions

Avoid Planting Near

  • Rue
  • Sage

Level Up Your Garden

๐ŸŒพ Save Your Own Basil Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Let flower spikes dry brown on the plant.
Storage Store airtight; viable 5 years at 35ยฐF, under 45% humidity.

Isolate 150 ft between varieties. Different basil species can cross.

Frequently Asked Questions

When should I plant Basil in Glades County, FL?

Glades County is in Zone 9b with an average last frost of February 1. Plan your Basil planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Glades County, FL?

Glades County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is February 1 and first fall frost is December 19.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Glades County gardeners in Zone 9b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Glades County, FL. Local conditions may vary. Last updated: April 2026.