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When to Plant Thyme in Franklin County, FL

Thyme is a low-growing perennial herb with tiny, aromatic leaves and a warm, earthy flavor. It is one of the most versatile culinary and medicinal herbs.

Franklin County, Florida is in USDA Zone 8b. The average last spring frost is February 25 and the first fall frost is November 28, giving you a growing season of approximately 276 days.

At an elevation of 487 feet, Franklin County receives approximately 59.9 inches of rainfall annually with predominantly sand soil. Summer highs average 96ยฐF, so Thyme may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Thyme will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Thyme root diseases.

Franklin County, FL (Zone 8b) Year-round
276 days
Last Spring Frost February 25
276 growing days
First Fall Frost November 28

Franklin County Soil Profile

Soil Type

Sand

Soil pH

4.9-6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (146 days to spare)
Transplant: Feb 15 🍅 Harvest: Apr 26 – Jun 28
Recommended (50%) ✓ Fits season (136 days to spare)
Transplant: Mar 4 🍅 Harvest: May 13 – Jul 15
Safe Start (90%) ✓ Fits season (137 days to spare)
Transplant: Mar 24 🍅 Harvest: Jun 2 – Aug 4

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
0.5″/week
Rainfall provides
0.9″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Thyme needs ~1,760 GDD — county provides 6,094 GDD Excellent fit

Thyme Planting Timeline โ€” Franklin County, FL

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors March 4 Mar 4 โ€“ Mar 18
Harvest May 13 May 13 โ€“ Jul 15

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

70โ€“90 days

Soil pH

6 โ€“ 8

USDA Zone

Zone 8b

Growing Season

276 days

Growing Tips for Franklin County

Start from seed, cuttings, or divisions. Plant in well-drained, lean soil. Prune lightly after flowering. Replace plants every 3-4 years when they become woody.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Thyme in Franklin County, FL?

Franklin County is in Zone 8b with an average last frost of February 25. Plan your Thyme planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Franklin County, FL?

Franklin County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is February 25 and first fall frost is November 28.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Franklin County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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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 Franklin County, FL. Local conditions may vary. Last updated: April 2026.