When to plant Shallot in Yuma County, CO
For Yuma County, gardeners: plant Shallot April 27 through May 18 once soil reads 50°F. A second sowing from July 27 to August 10 extends the harvest into fall.
When to Plant Shallot in Yuma County, CO
Shallots are a gourmet allium prized for their complex, sweet, and mild flavor. Each bulb multiplies into a cluster, making them easy and rewarding to grow.
Yuma County, Colorado is in USDA Zone 5b. The average last spring frost is May 11 and the first fall frost is October 5, giving you a growing season of approximately 147 days.
At an elevation of 7,664 feet, Yuma County receives approximately 20.5 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Shallot during the growing season.
Yuma County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Shallot Planting Timeline — Yuma County, CO
Shallot Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 6 | Apr 6 – Apr 20 |
| Transplant Outdoors | May 11 | May 11 – May 25 |
| Direct Sow | April 27 | Apr 27 – May 18 |
| Harvest | August 10 | Aug 10 – Sep 28 |
| Fall Sowing | July 27 | Jul 27 – Aug 10 |
Plant 1" deep · 6" 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 | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
147 days in Yuma County
Growing Tips for Yuma County
Plant sets in fall for spring harvest or early spring for summer harvest. Mulch heavily if overwintering. Harvest when tops brown and dry, then cure for storage.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Shallot in Other Locations
Frequently Asked Questions
When should I plant Shallot in Yuma County, CO?
Yuma County is in Zone 5b with an average last frost of May 11. Plan your Shallot planting based on this frost date — see the calendar above for exact timing.
What planting zone is Yuma County, CO?
Yuma County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is May 11 and first fall frost is October 5.
When should I plant Shallot in Yuma County, CO?
In Yuma County, CO, plant Shallot after the last frost (around May 11) and before the first frost (around October 5). Best results when soil holds above 50°F.
What growing zone is Yuma County, CO for Shallot?
Yuma County sits in USDA Zone 5b. Shallot grows reliably in zones 4a through 10b, so it's a good fit here.
Can Shallot grow in Yuma County's climate?
Yes — Shallot grows well in Yuma County's temperate climate. Yuma County averages a 147-day frost-free season, with last frost around May 11 and first frost around October 5.
Your Yuma County Garden Planner — Free
A 22-page printable planner built for Yuma 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.