Las Vegas, NV Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Las Vegas, Nevada.
Gardening in Las Vegas
Vegas gardening is proof that determination beats environment. In a city built on defying the odds, growing food in the Mojave Desert is just another bet that pays off with the right strategy. Container gardens on patios, raised beds with imported soil, and shade structures that turn brutal sun into manageable warmth — Vegas gardeners hack the desert.
The strip may never sleep, but your garden definitely goes dormant from June through August when temps hit 115°F. The real growing season is October through May — your cool-season vegetables grow while the rest of the country huddles inside. Winter lettuce, carrots, and peas thrive in the mild desert winter. Water is the constant conversation: every drop counts, drip irrigation isn't optional, and mulch is your best friend.
The house always wins, except when you're growing your own food — then the gardener wins. Vegas's growing community garden movement is turning water-wasting ornamental landscapes into productive food gardens. The Springs Preserve demonstration gardens prove that desert food production isn't just possible — it's beautiful.
What This Means for Las Vegas Gardeners
The average last spring frost in Las Vegas is around February 20, and the average first fall frost arrives around November 25. That gives you approximately 278 frost-free days to work with.
278 days is a long, productive season that supports two full rounds of warm-season crops plus continuous cool-season production through your mild winter. Most frost-sensitive crops can be transplanted by February 20, giving them months to produce before fall. Your winter garden is the real advantage — growing fresh vegetables in December and January while northern gardeners browse seed catalogs.
These dates are based on NOAA 30-year Climate Normal data for the Las Vegas area. Your actual frost dates could shift 2-3 weeks in either direction in any given year. Learn more about our data sources.
What to Grow in Las Vegas
Las Vegas's 278-day growing season is generous — long enough for two full growing windows (spring and fall) with warm-season crops between them. You can grow the full range of vegetables, herbs, and flowers with proper timing. Focus on heat-tolerant varieties for midsummer and cool-season crops for extended fall harvests. Recommended starting points: tomatoes, peppers, beans, cucumbers, squash, garlic, kale, and sunflowers.
See the full Nevada planting guide for all 40 plants: Nevada Planting Calendar. Or enter your zip code for exact planting dates personalized to Las Vegas.
More About Zone 9A
Las Vegas is in USDA Hardiness Zone 9A, which means average annual extreme minimum temperatures between 20°F to 25°F. View the full Zone 9A planting guide.
See the complete planting calendar for Nevada: Nevada Planting Calendar.
Other Cities in Nevada
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Las Vegas area. They represent historical averages, not predictions. In any given year, the actual last frost could be 2-3 weeks earlier or later. Microclimates within Las Vegas (urban heat islands, hilltops, low-lying valleys) can also shift your local frost dates by a week or more.
Cool-season crops go in 3-4 weeks before your last frost (February 20). Warm-season crops wait until 2 weeks after. You have time for a fall round too — plant cool-season crops again in late summer for harvest into autumn. Enter your zip code for exact dates.