When to plant Spinach in Collier County, FL
In Zone 10b (Collier County), direct-sow Spinach between December 11 and January 1 for spring, after the January 1 last-frost mark. A second sowing from November 5 to November 19 extends the harvest into fall.
When to Plant Spinach in Collier County, FL
Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.
Collier County, Florida is in USDA Zone 10b. The average last spring frost is January 1 and the first fall frost is December 31, giving you a growing season of approximately 364 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 Spinach during the growing season. Sandy soil warms quickly in spring — great for early planting — but Spinach will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Spinach root diseases.
Collier County Soil Profile
Soil Type
Sand
Soil pH
6.0-7.0
Drainage
Well Drained
Spinach Planting Timeline — Collier County, FL
Spinach Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | December 4 | Dec 4 – Dec 18 |
| Transplant Outdoors | January 1 | Jan 1 – Jan 15 |
| Direct Sow | December 11 | Dec 11 – Jan 1 |
| Harvest | February 5 | Feb 5 – Apr 9 |
| Fall Sowing | November 5 | Nov 5 – Nov 19 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Transplant Outdoors Direct Sow |
| February | Harvest |
| March | Harvest |
| April | Harvest |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | Fall Sowing |
| December | Start Indoors Direct Sow |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
35–50 days
🧪 Soil pH
Needs 6.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 10b
📆 Growing Season
365 days in Collier County
Growing Tips for Collier County
Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Wind pollinated — isolate 1/2 mile for purity. Easy to let bolt in heat.
Spinach in Other Locations
Frequently Asked Questions
When should I plant Spinach in Collier County, FL?
Collier County is in Zone 10b with an average last frost of January 1. Plan your Spinach 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 1 and first fall frost is December 31.
When should I plant Spinach in Collier County, FL?
In Collier County, FL, plant Spinach 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 Spinach?
Collier County sits in USDA Zone 10b. Spinach grows reliably in zones 2a through 10b, so it's a good fit here.
Can Spinach grow in Collier County's climate?
Yes — Spinach 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.