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When to Plant Leeks in Osceola County, FL

Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.

Osceola County, Florida is in USDA Zone 9b. The average last spring frost is January 22 and the first fall frost is December 20, giving you a growing season of approximately 332 days.

At an elevation of 352 feet, Osceola County receives approximately 58.7 inches of rainfall annually with predominantly sand soil. Summer highs average 102Β°F, so Leeks may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring β€” great for early planting β€” but Leeks will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Leeks root diseases.

Osceola County, FL (Zone 9b) Year-round
332 days
Last Spring Frost January 22
332 growing days
First Fall Frost December 20

Osceola County Soil Profile

Soil Type

Sand

Soil pH

4.9-6.1

Drainage

Well Drained

Monthly Watering Guide for Leeks

Leeks needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Leeks Needs Rainfall You Supplement Action
Jan 4.3" 2.6" 1.7" πŸ’§ Light watering
Feb 4.3" 3.5" 0.8" πŸ’§ Light watering
Mar 4.3" 3.9" 0.4" πŸ’§ Light watering
Apr 4.3" 3" 1.3" πŸ’§ Light watering
May 4.3" 3.7" 0.6" πŸ’§ Light watering
Jun 4.3" 8.2" 0" βœ… Rainfall sufficient
Jul 4.3" 9.6" 0" βœ… Rainfall sufficient
Aug 4.3" 8.1" 0" βœ… Rainfall sufficient
Sep 4.3" 7.1" 0" βœ… Rainfall sufficient
Oct 4.3" 4.4" 0" βœ… Rainfall sufficient
Nov 4.3" 2.2" 2.1" πŸ’§ Light watering
Dec 4.3" 2.4" 1.9" πŸ’§ Light watering

Water needs are for active growing months only (Jan–Dec in Osceola County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Leeks Planting Timeline β€” Osceola County, FL

Leeks Planting Calendar

Activity When Date Range
Start Indoors December 25 Dec 25 – Jan 8
Transplant Outdoors January 22 Jan 22 – Feb 5
Direct Sow January 1 Jan 1 – Jan 22
Harvest April 23 Apr 23 – Jul 9
Fall Sowing October 25 Oct 25 – Nov 8

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

90–150 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 9b

πŸ“† Growing Season

332 days in Osceola County

Growing Tips for Osceola County

Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.

Companion Planting

Good Companions

Avoid Planting Near

  • Peas
  • Green Beans

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Leeks in Osceola County, FL?

Osceola County is in Zone 9b with an average last frost of January 22. Plan your Leeks planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Osceola County, FL?

Osceola County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is January 22 and first fall frost is December 20.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Osceola County gardeners in Zone 9b 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 Osceola County, FL. Local conditions may vary. Last updated: April 2026.