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When to plant Chard in Collier County, FL

The best window to plant Chard in Collier County, is December 22–January 12, when soil warms to 50°F. Last frost typically hits January 1; first frost December 31. A second sowing from February 18 to March 4 extends the harvest into fall.

When to Plant Chard in Collier County, FL

Swiss chard is a colorful, heat-tolerant green with large crinkled leaves and vibrant stalks in red, yellow, and white. Both the leaves and stems are edible and nutritious.

Collier County, Florida is in USDA Zone 10b. The average last spring frost is January 12 and the first fall frost is April 15, giving you a growing season of approximately 93 days.

At an elevation of 185 feet, Collier County receives approximately 61.3 inches of rainfall annually with predominantly sand soil. Summer highs average 85°F, providing good warmth for Chard during the growing season. Sandy soil warms quickly in spring — great for early planting — but Chard will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Chard root diseases.

Collier County, FL (Zone 10b) Very short season
93 days
Last Spring Frost January 12
93 growing days
First Fall Frost April 15

Collier County Soil Profile

Soil Type

Sand

Soil pH

5-6.2

Drainage

Well Drained

Monthly Watering Guide for Chard

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

Month Chard Needs Rainfall You Supplement Action
Jan 4.3" 2.8" 1.5" 💧 Light watering
Feb 4.3" 3.3" 1" 💧 Light watering
Mar 4.3" 4.1" 0.2" 💧 Light watering
Apr 4.3" 2.4" 1.9" 💧 Light watering
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 7.5" 0" ✅ Rainfall sufficient
Jul 4.3" 10" 0" ✅ Rainfall sufficient
Aug 4.3" 9" 0" ✅ Rainfall sufficient
Sep 4.3" 8.4" 0" ✅ Rainfall sufficient
Oct 4.3" 5.6" 0" ✅ Rainfall sufficient
Nov 2.3" 0" ❄️ Dormant
Dec 2.2" 0" ❄️ Dormant

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

Chard Planting Timeline — Collier County, FL

Chard Planting Calendar

Activity When Date Range
Start Indoors December 15 Dec 15 – Dec 29
Transplant Outdoors January 12 Jan 12 – Jan 26
Direct Sow December 22 Dec 22 – Jan 12
Harvest March 9 Mar 9 – Apr 27
Fall Sowing February 18 Feb 18 – Mar 4

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

50–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 10b

📆 Growing Season

93 days in Collier County

Growing Tips for Collier County

Direct sow or transplant after last frost. Harvest outer leaves regularly to encourage continuous production. Chard tolerates both heat and light frost.

Companion Planting

Good Companions

Avoid Planting Near

  • Corn
  • Cucumbers

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chard in Collier County, FL?

Collier County is in Zone 10b with an average last frost of January 12. Plan your Chard planting based on this frost date — see the calendar above for exact timing.

What planting zone is Collier County, FL?

Collier County, Florida is in USDA Hardiness Zone 10b. The average last spring frost is January 12 and first fall frost is .

When should I plant Chard in Collier County, FL?

In Collier County, FL, plant Chard after the last frost (around January 1) and before the first frost (around December 31). Best results when soil holds above 50°F.

What growing zone is Collier County, FL for Chard?

Collier County sits in USDA Zone 10b. Chard grows reliably in zones 2a through 11b, so it's a good fit here.

Can Chard grow in Collier County's climate?

Yes — Chard grows well in Collier County's temperate climate. Collier County averages a 365-day frost-free season, with last frost around January 1 and first frost around December 31.

🌱

Your Collier County Garden Planner — Free

A 22-page printable planner built for Collier County (Zone 10b). 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 Collier County, FL. Local conditions may vary. Last updated: August 2026.

Sources & credits

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