When to Plant Onion in White Pine County, NV
Onions are a fundamental kitchen staple available in yellow, white, and red varieties. Choose long-day, short-day, or intermediate types based on your latitude.
White Pine County, Nevada is in USDA Zone 5b. The average last spring frost is June 12 and the first fall frost is September 12, giving you a growing season of approximately 92 days.
At an elevation of 6,766 feet, White Pine County receives approximately 15 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91°F, providing good warmth for Onion during the growing season. Sandy soil warms quickly in spring — great for early planting — but Onion will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Onion successfully. Mulch heavily to conserve soil moisture.
White Pine County Soil Profile
Soil Type
Sandy Loam
Soil pH
6.7-8.3
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 10/10 — consider drought-tolerant varieties and mulching
Onion Planting Timeline — White Pine County, NV
Onion Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | May 8 | May 8 – May 22 |
| Transplant Outdoors | June 12 | Jun 12 – Jun 26 |
| Direct Sow | May 29 | May 29 – Jun 19 |
| Fall Sowing | July 4 | Jul 4 – Jul 18 |
| Harvest | September 11 | Sep 11 – Oct 30 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Start Indoors Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | Fall Sowing |
| August | — |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
90–120 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
92 days
Growing Tips for White Pine County
Start seeds indoors 8-10 weeks before transplanting. Match day-length type to your latitude. Stop watering when tops begin to fall over and cure bulbs for 2-3 weeks before storage.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Onion in Other Locations
Frequently Asked Questions
When should I plant Onion in White Pine County, NV?
White Pine County is in Zone 5b with an average last frost of June 12. Plan your Onion planting based on this frost date — see the calendar above for exact timing.
What planting zone is White Pine County, NV?
White Pine County, Nevada is in USDA Hardiness Zone 5b. The average last spring frost is June 12 and first fall frost is September 12.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help White Pine County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.