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When to plant Cumin in St. Lucie County, FL

In St. Lucie County, plant Cumin in spring between January 8 and January 29, once soil temps hold above 50°F. St. Lucie County's last frost averages January 29, so aim for a steady week of warm soil before planting. For a fall crop, sow between October 21 and November 4 — roughly 100–120 days before the first frost on December 16.

When to Plant Cumin in St. Lucie County, FL

Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.

St. Lucie County, Florida is in USDA Zone 10a. The average last spring frost is January 29 and the first fall frost is December 16, giving you a growing season of approximately 321 days.

At an elevation of 185 feet, St. Lucie County receives approximately 56.2 inches of rainfall annually with predominantly sand soil. Summer highs average 89°F, providing good warmth for Cumin during the growing season. Sandy soil warms quickly in spring — great for early planting — but Cumin will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cumin root diseases.

St. Lucie County, FL (Zone 10a) Year-round
321 days
Last Spring Frost January 29
321 growing days
First Fall Frost December 16

St. Lucie County Soil Profile

Soil Type

Sand

Soil pH

4.8-5.8

Drainage

Well Drained

Monthly Watering Guide for Cumin

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

Month Cumin Needs Rainfall You Supplement Action
Jan 4.3" 2.3" 2" 💧 Light watering
Feb 4.3" 2.7" 1.6" 💧 Light watering
Mar 4.3" 3.3" 1" 💧 Light watering
Apr 4.3" 2.2" 2.1" 💧 Light watering
May 4.3" 3.1" 1.2" 💧 Light watering
Jun 4.3" 8.1" 0" ✅ Rainfall sufficient
Jul 4.3" 9" 0" ✅ Rainfall sufficient
Aug 4.3" 8.6" 0" ✅ Rainfall sufficient
Sep 4.3" 7.5" 0" ✅ Rainfall sufficient
Oct 4.3" 5" 0" ✅ Rainfall sufficient
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec 4.3" 2.2" 2.1" 💧 Light watering

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

Cumin Planting Timeline — St. Lucie County, FL

Cumin Planting Calendar

Activity When Date Range
Start Indoors January 1 Jan 1 – Jan 15
Transplant Outdoors January 22 Jan 22 – Feb 5
Direct Sow January 8 Jan 8 – Jan 29
Harvest May 7 May 7 – Jul 9
Fall Sowing October 21 Oct 21 – Nov 4

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 10a

📆 Growing Season

321 days in St. Lucie County

Growing Tips for St. Lucie County

Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cumin in St. Lucie County, FL?

St. Lucie County is in Zone 10a with an average last frost of January 29. Plan your Cumin planting based on this frost date — see the calendar above for exact timing.

What planting zone is St. Lucie County, FL?

St. Lucie County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is January 29 and first fall frost is December 16.

When should I plant Cumin in St. Lucie County, FL?

In St. Lucie County, FL, plant Cumin after the last frost (around January 29) and before the first frost (around December 16). Best results when soil holds above 50°F.

What growing zone is St. Lucie County, FL for Cumin?

St. Lucie County sits in USDA Zone 10a. Cumin grows reliably in zones 5a through 11b, so it's a good fit here.

Can Cumin grow in St. Lucie County's climate?

Yes — Cumin grows well in St. Lucie County's temperate climate. St. Lucie County averages a 322-day frost-free season, with last frost around January 29 and first frost around December 16.

🌱

Your St. Lucie County Garden Planner — Free

A 22-page printable planner built for St. Lucie County (Zone 10a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 St. Lucie County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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