When to plant Leeks in Arenac County, MI
Arenac County sits in USDA Zone 5b. Plant Leeks between April 28 (after last frost on May 12) and May 19. A second sowing from July 28 to August 11 extends the harvest into fall.
When to Plant Leeks in Arenac County, MI
Leeks are a mild, sweet allium that produces long white shanks. They are more refined than onions and are a key ingredient in soups, stews, and gratins.
Arenac County, Michigan is in USDA Zone 5b. The average last spring frost is May 12 and the first fall frost is October 6, giving you a growing season of approximately 147 days.
At an elevation of 1,015 feet, Arenac County receives approximately 30.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Leeks during the growing season.
Arenac County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Leeks Planting Timeline — Arenac County, MI
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 7 | Apr 7 – Apr 21 |
| Transplant Outdoors | May 12 | May 12 – May 26 |
| Direct Sow | April 28 | Apr 28 – May 19 |
| Harvest | August 11 | Aug 11 – Oct 27 |
| Fall Sowing | July 28 | Jul 28 – Aug 11 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing |
| August | Fall Sowing Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–150 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
147 days in Arenac County
Growing Tips for Arenac County
Start seeds indoors 10-12 weeks before last frost. Transplant into trenches and hill soil around stems as they grow to increase the white portion. Harvest as needed.
Companion Planting
Good Companions
Avoid Planting Near
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Leeks in Other Locations
Frequently Asked Questions
When should I plant Leeks in Arenac County, MI?
Arenac County is in Zone 5b with an average last frost of May 12. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Arenac County, MI?
Arenac County, Michigan is in USDA Hardiness Zone 5b. The average last spring frost is May 12 and first fall frost is October 6.
When should I plant Leeks in Arenac County, MI?
In Arenac County, MI, plant Leeks after the last frost (around May 12) and before the first frost (around October 6). Best results when soil holds above 50°F.
What growing zone is Arenac County, MI for Leeks?
Arenac County sits in USDA Zone 5b. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.
Can Leeks grow in Arenac County's climate?
Yes — Leeks grows well in Arenac County's temperate climate. Arenac County averages a 147-day frost-free season, with last frost around May 12 and first frost around October 6.
Your Arenac County Garden Planner — Free
A 22-page printable planner built for Arenac 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.