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When to plant Arugula in Dickinson County, MI

Plant Arugula in Dickinson County, when soil hits 50°F — usually May 5. Continue planting through May 26 for the spring crop. A second sowing from July 17 to July 31 extends the harvest into fall.

When to Plant Arugula in Dickinson County, MI

Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.

Dickinson County, Michigan is in USDA Zone 4b. The average last spring frost is May 12 and the first fall frost is October 9, giving you a growing season of approximately 150 days.

At an elevation of 892 feet, Dickinson County receives approximately 32.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Arugula to ensure they mature before fall.

Dickinson County, MI (Zone 4b) Moderate season
150 days
Last Spring Frost May 12
150 growing days
First Fall Frost October 9

Dickinson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Arugula Planting Timeline — Dickinson County, MI

Arugula Planting Calendar

Activity When Date Range
Start Indoors March 31 Mar 31 – Apr 14
Transplant Outdoors May 12 May 12 – May 26
Direct Sow May 5 May 5 – May 26
Harvest June 16 Jun 16 – Aug 18
Fall Sowing July 17 Jul 17 – Jul 31

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

30–50 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 4b

📆 Growing Season

150 days in Dickinson County

Growing Tips for Dickinson County

Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Arugula in Dickinson County, MI?

Dickinson County is in Zone 4b with an average last frost of May 12. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.

What planting zone is Dickinson County, MI?

Dickinson County, Michigan is in USDA Hardiness Zone 4b. The average last spring frost is May 12 and first fall frost is October 9.

When should I plant Arugula in Dickinson County, MI?

In Dickinson County, MI, plant Arugula after the last frost (around May 12) and before the first frost (around October 9). Best results when soil holds above 50°F.

What growing zone is Dickinson County, MI for Arugula?

Dickinson County sits in USDA Zone 4b. Arugula grows reliably in zones 3a through 11b, so it's a good fit here.

Can Arugula grow in Dickinson County's climate?

Yes — Arugula grows well in Dickinson County's temperate climate. Dickinson County averages a 150-day frost-free season, with last frost around May 12 and first frost around October 9.

🌱

Your Dickinson County Garden Planner — Free

A 22-page printable planner built for Dickinson County (Zone 4b). 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 Dickinson County, MI. Local conditions may vary. Last updated: June 2026.

Sources & credits

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