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When to Plant Marjoram in Lee County, FL

Sweet marjoram is a tender perennial herb with a delicate, sweet oregano-like flavor. It is a cornerstone of Mediterranean cooking and pairs well with meats and vegetables.

Lee County, Florida is in USDA Zone 10a. The average last spring frost is January 28 and the first fall frost is December 19, giving you a growing season of approximately 325 days.

At an elevation of 408 feet, Lee County receives approximately 61.6 inches of rainfall annually with predominantly sand soil. Summer highs average 86ยฐF, providing good warmth for Marjoram during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Marjoram will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Marjoram root diseases.

Lee County, FL (Zone 10a) Year-round
325 days
Last Spring Frost January 28
325 growing days
First Fall Frost December 19

Lee County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (183 days to spare)
Transplant: Jan 26 🍅 Harvest: Mar 30 – Jun 8
Recommended (50%) ✓ Fits season (185 days to spare)
Transplant: Feb 4 🍅 Harvest: Apr 8 – Jun 17
Safe Start (90%) ✓ Fits season (157 days to spare)
Transplant: Mar 8 🍅 Harvest: May 10 – Jul 19

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
0.8″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 1,469 gal / 100 sq ft
Marjoram needs ~1,088 GDD — county provides 4,727 GDD Excellent fit

Marjoram Planting Timeline โ€” Lee County, FL

Marjoram Planting Calendar

Activity When Date Range
Transplant Outdoors February 4 Feb 4 โ€“ Feb 18
Harvest April 8 Apr 8 โ€“ Jun 17

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

6.5 โ€“ 7.5

USDA Zone

Zone 10a

Growing Season

325 days

Growing Tips for Lee County

Start seeds indoors 6-8 weeks before last frost. Harvest stems just as flower buds appear for peak flavor. In cold climates, grow as an annual or bring containers indoors.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Marjoram in Lee County, FL?

Lee County is in Zone 10a with an average last frost of January 28. Plan your Marjoram planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lee County, FL?

Lee County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is January 28 and first fall frost is December 19.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Lee County gardeners in Zone 10a 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 Lee County, FL. Local conditions may vary. Last updated: April 2026.