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When to plant Spinach in Chickasaw County, IA

Spring Spinach in Chickasaw County goes in April 19–May 10, once nighttime temps stop dipping near freezing. A second sowing from July 27 to August 10 extends the harvest into fall.

When to Plant Spinach in Chickasaw County, IA

Spinach

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.

Chickasaw County, Iowa is in USDA Zone 5a. The average last spring frost is May 3 and the first fall frost is October 5, giving you a growing season of approximately 155 days.

At an elevation of 1,139 feet, Chickasaw County receives approximately 37.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Spinach to ensure they mature before fall.

Chickasaw County, IA (Zone 5a) Moderate season
155 days
Last Spring Frost May 3
155 growing days
First Fall Frost October 5

Chickasaw County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Spinach Planting Timeline — Chickasaw County, IA

Spinach Planting Calendar

Activity When Date Range
Start Indoors March 29 Mar 29 – Apr 12
Transplant Outdoors May 3 May 3 – May 17
Direct Sow April 19 Apr 19 – May 10
Harvest June 7 Jun 7 – Aug 9
Fall Sowing July 27 Jul 27 – Aug 10

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Fall Sowing Harvest
August Fall Sowing Harvest
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 5a

📆 Growing Season

155 days in Chickasaw County

Growing Tips for Chickasaw 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 →

🌾 Save Your Own Spinach Seeds
Life Cycle Annual
Pollination Wind Pollinated
How to Collect Let plants bolt. Harvest seed stalks when seeds turn tan.
Storage Store airtight; viable 5 years at 35°F, under 45% humidity.

Wind pollinated — isolate 1/2 mile for purity. Easy to let bolt in heat.

Frequently Asked Questions

When should I plant Spinach in Chickasaw County, IA?

Chickasaw County is in Zone 5a with an average last frost of May 3. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Chickasaw County, IA?

Chickasaw County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is May 3 and first fall frost is October 5.

When should I plant Spinach in Chickasaw County, IA?

In Chickasaw County, IA, plant Spinach after the last frost (around May 3) and before the first frost (around October 5). Best results when soil holds above 50°F.

What growing zone is Chickasaw County, IA for Spinach?

Chickasaw County sits in USDA Zone 5a. Spinach grows reliably in zones 2a through 10b, so it's a good fit here.

Can Spinach grow in Chickasaw County's climate?

Yes — Spinach grows well in Chickasaw County's temperate climate. Chickasaw County averages a 155-day frost-free season, with last frost around May 3 and first frost around October 5.

🌱

Your Chickasaw County Garden Planner — Free

A 22-page printable planner built for Chickasaw County (Zone 5a). 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 Chickasaw County, IA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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