When to plant Spinach in Fremont County, IA
Aim to plant Spinach in Fremont County on or after April 10; the window stays open through May 1. Fremont County's 169-day frost-free season gives you a single solid spring crop with a brief fall option. A second sowing from August 1 to August 15 extends the harvest into fall.
When to Plant Spinach in Fremont County, IA
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.
Fremont County, Iowa is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 10, giving you a growing season of approximately 169 days.
At an elevation of 1,032 feet, Fremont County receives approximately 35.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Spinach to ensure they mature before fall.
Fremont County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Spinach Planting Timeline — Fremont County, IA
Spinach Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 20 | Mar 20 – Apr 3 |
| Transplant Outdoors | April 24 | Apr 24 – May 8 |
| Direct Sow | April 10 | Apr 10 – May 1 |
| Harvest | May 29 | May 29 – Jul 31 |
| Fall Sowing | August 1 | Aug 1 – Aug 15 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
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 5b
📆 Growing Season
169 days in Fremont County
Growing Tips for Fremont 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 Fremont County, IA?
Fremont County is in Zone 5b with an average last frost of April 24. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.
What planting zone is Fremont County, IA?
Fremont County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 10.
When should I plant Spinach in Fremont County, IA?
In Fremont County, IA, plant Spinach after the last frost (around April 24) and before the first frost (around October 10). Best results when soil holds above 50°F.
What growing zone is Fremont County, IA for Spinach?
Fremont County sits in USDA Zone 5b. Spinach grows reliably in zones 2a through 10b, so it's a good fit here.
Can Spinach grow in Fremont County's climate?
Yes — Spinach grows well in Fremont County's temperate climate. Fremont County averages a 169-day frost-free season, with last frost around April 24 and first frost around October 10.
Your Fremont County Garden Planner — Free
A 22-page printable planner built for Fremont County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.