When to plant Leeks in Oxford County, ME
In Oxford County, plant Leeks in spring between May 2 and May 23, once soil temps hold above 50°F. Oxford County's last frost averages May 16, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between July 21 and August 4 — roughly 90–150 days before the first frost on September 29.
When to Plant Leeks in Oxford County, ME
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.
Oxford County, Maine is in USDA Zone 5a. The average last spring frost is May 16 and the first fall frost is September 29, giving you a growing season of approximately 136 days.
At an elevation of 186 feet, Oxford County receives approximately 39.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Leeks to ensure they mature before fall.
Oxford County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Leeks Planting Timeline — Oxford County, ME
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 11 | Apr 11 – Apr 25 |
| Transplant Outdoors | May 16 | May 16 – May 30 |
| Direct Sow | May 2 | May 2 – May 23 |
| Harvest | August 15 | Aug 15 – Oct 31 |
| Fall Sowing | July 21 | Jul 21 – Aug 4 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| 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 5a
📆 Growing Season
136 days in Oxford County
Growing Tips for Oxford 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 Oxford County, ME?
Oxford County is in Zone 5a with an average last frost of May 16. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Oxford County, ME?
Oxford County, Maine is in USDA Hardiness Zone 5a. The average last spring frost is May 16 and first fall frost is September 29.
When should I plant Leeks in Oxford County, ME?
In Oxford County, ME, plant Leeks after the last frost (around May 16) and before the first frost (around September 29). Best results when soil holds above 50°F.
What growing zone is Oxford County, ME for Leeks?
Oxford County sits in USDA Zone 5a. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.
Can Leeks grow in Oxford County's climate?
Yes — Leeks grows well in Oxford County's temperate climate. Oxford County averages a 136-day frost-free season, with last frost around May 16 and first frost around September 29.
Your Oxford County Garden Planner — Free
A 22-page printable planner built for Oxford 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.