When to plant Cumin in Yellowstone County, MT
In Zone 5a (Yellowstone County), direct-sow Cumin between April 25 and May 16 for spring, after the May 9 last-frost mark. A second sowing from July 25 to August 8 extends the harvest into fall.
When to Plant Cumin in Yellowstone County, MT
Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.
Yellowstone County, Montana is in USDA Zone 5a. The average last spring frost is May 9 and the first fall frost is October 3, giving you a growing season of approximately 147 days.
At an elevation of 7,432 feet, Yellowstone County receives approximately 21.1 inches of rainfall annually with predominantly loam soil. Summer highs average 80°F, so choose short-season varieties of Cumin to ensure they mature before fall.
Yellowstone County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Cumin Planting Timeline — Yellowstone County, MT
Cumin Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 4 | Apr 4 – Apr 18 |
| Transplant Outdoors | May 2 | May 2 – May 16 |
| Direct Sow | April 25 | Apr 25 – May 16 |
| Harvest | August 15 | Aug 15 – Oct 17 |
| Fall Sowing | July 25 | Jul 25 – Aug 8 |
Plant 0.5" deep · 8" apart · Rows 12" 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
Low — drought tolerant
📅 Days to Maturity
100–120 days
🧪 Soil pH
Needs 6–8 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
147 days in Yellowstone County
Growing Tips for Yellowstone County
Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.
Companion Planting
Good Companions
Avoid Planting Near
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Cumin in Other Locations
Frequently Asked Questions
When should I plant Cumin in Yellowstone County, MT?
Yellowstone County is in Zone 5a with an average last frost of May 9. Plan your Cumin planting based on this frost date — see the calendar above for exact timing.
What planting zone is Yellowstone County, MT?
Yellowstone County, Montana is in USDA Hardiness Zone 5a. The average last spring frost is May 9 and first fall frost is October 3.
When should I plant Cumin in Yellowstone County, MT?
In Yellowstone County, MT, plant Cumin after the last frost (around May 9) and before the first frost (around October 3). Best results when soil holds above 50°F.
What growing zone is Yellowstone County, MT for Cumin?
Yellowstone County sits in USDA Zone 5a. Cumin grows reliably in zones 5a through 11b, so it's a good fit here.
Can Cumin grow in Yellowstone County's climate?
Yes — Cumin grows well in Yellowstone County's temperate climate. Yellowstone County averages a 147-day frost-free season, with last frost around May 9 and first frost around October 3.
Your Yellowstone County Garden Planner — Free
A 22-page printable planner built for Yellowstone 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.