When to plant Leeks in Shoshone County, ID
Shoshone County gardeners should plant Leeks between April 26 and May 17 in spring. With Shoshone County's Zone 6b climate (last frost May 10), Leeks needs 90–150 days to mature — plant by April 29 for a full harvest. A second sowing from July 18 to August 1 extends the harvest into fall.
When to Plant Leeks in Shoshone County, ID
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.
Shoshone County, Idaho is in USDA Zone 6b. The average last spring frost is May 10 and the first fall frost is September 26, giving you a growing season of approximately 139 days.
At an elevation of 6,353 feet, Shoshone County receives approximately 14.1 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Leeks to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Leeks successfully. Mulch heavily to conserve soil moisture.
Shoshone County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Leeks Planting Timeline — Shoshone County, ID
Leeks Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 5 | Apr 5 – Apr 19 |
| Transplant Outdoors | May 10 | May 10 – May 24 |
| Direct Sow | April 26 | Apr 26 – May 17 |
| Harvest | August 9 | Aug 9 – Oct 25 |
| Fall Sowing | July 18 | Jul 18 – Aug 1 |
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 6b
📆 Growing Season
139 days in Shoshone County
Growing Tips for Shoshone 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 Shoshone County, ID?
Shoshone County is in Zone 6b with an average last frost of May 10. Plan your Leeks planting based on this frost date — see the calendar above for exact timing.
What planting zone is Shoshone County, ID?
Shoshone County, Idaho is in USDA Hardiness Zone 6b. The average last spring frost is May 10 and first fall frost is September 26.
When should I plant Leeks in Shoshone County, ID?
In Shoshone County, ID, plant Leeks after the last frost (around May 10) and before the first frost (around September 26). Best results when soil holds above 50°F.
What growing zone is Shoshone County, ID for Leeks?
Shoshone County sits in USDA Zone 6b. Leeks grows reliably in zones 3a through 10b, so it's a good fit here.
Can Leeks grow in Shoshone County's climate?
Yes — Leeks grows well in Shoshone County's temperate climate. Shoshone County averages a 139-day frost-free season, with last frost around May 10 and first frost around September 26.
Your Shoshone County Garden Planner — Free
A 22-page printable planner built for Shoshone County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.