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When to plant Spinach in Luce County, MI

In Luce County, plant Spinach in spring between May 8 and May 29, once soil temps hold above 50°F. Luce County's last frost averages May 22, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between July 25 and August 8 — roughly 35–50 days before the first frost on October 3.

When to Plant Spinach in Luce County, MI

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.

Luce County, Michigan is in USDA Zone 5a. The average last spring frost is May 22 and the first fall frost is October 3, giving you a growing season of approximately 134 days.

At an elevation of 1,157 feet, Luce County receives approximately 36.8 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.

Luce County, MI (Zone 5a) Short season
134 days
Last Spring Frost May 22
134 growing days
First Fall Frost October 3

Luce County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Spinach Planting Timeline — Luce County, MI

Spinach Planting Calendar

Activity When Date Range
Start Indoors April 17 Apr 17 – May 1
Transplant Outdoors May 22 May 22 – Jun 5
Direct Sow May 8 May 8 – May 29
Harvest June 26 Jun 26 – Aug 28
Fall Sowing July 25 Jul 25 – Aug 8

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Start Indoors
May Start Indoors Transplant Outdoors Direct Sow
June Transplant Outdoors 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

134 days in Luce County

Growing Tips for Luce 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 Luce County, MI?

Luce County is in Zone 5a with an average last frost of May 22. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Luce County, MI?

Luce County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 22 and first fall frost is October 3.

When should I plant Spinach in Luce County, MI?

In Luce County, MI, plant Spinach after the last frost (around May 22) and before the first frost (around October 3). Best results when soil holds above 50°F.

What growing zone is Luce County, MI for Spinach?

Luce 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 Luce County's climate?

Yes — Spinach grows well in Luce County's temperate climate. Luce County averages a 134-day frost-free season, with last frost around May 22 and first frost around October 3.

🌱

Your Luce County Garden Planner — Free

A 22-page printable planner built for Luce 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 Luce County, MI. Local conditions may vary. Last updated: July 2026.

Sources & credits

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