Warm-Season Vegetable

When to Plant Corn (Sweet) in Nevada

Nothing says summer like fresh sweet corn. Plant in blocks (not rows) for proper pollination.

The Short Answer

In Nevada, corn (sweet) planting dates vary by region. In Northern Nevada (Reno), your average last frost is around May 1 - May 20, while Mountain Nevada sees its last frost around May 25 - Jun 15. Since corn (sweet) are frost-sensitive, direct sow 2 weeks after your last frost date. Desert soils — alkaline, low organic matter. Extremely dry. Heavy amendment essential. Irrigation required.

Nevada Frost Dates

Your planting dates depend on which part of Nevada you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Nevada (Reno) 6b, 7a May 1 - May 20 Sep 25 - Oct 15
Las Vegas 8b, 9a, 9b Feb 10 - Mar 5 Nov 10 - Dec 1
Mountain Nevada 4a, 4b, 5a, 5b May 25 - Jun 15 Aug 25 - Sep 15

Corn (Sweet) Planting Schedule for Nevada

Northern Nevada (Reno) (Zones 6b, 7a)

Average last frost: May 1 - May 20 · Average first frost: Sep 25 - Oct 15

Direct Sow
2 wks after frost

Las Vegas (Zones 8b, 9a, 9b)

Average last frost: Feb 10 - Mar 5 · Average first frost: Nov 10 - Dec 1

Direct Sow
2 wks after frost

Mountain Nevada (Zones 4a, 4b, 5a, 5b)

Average last frost: May 25 - Jun 15 · Average first frost: Aug 25 - Sep 15

Direct Sow
2 wks after frost

Growing Corn (Sweet) in Nevada

Corn (Sweet) in Nevada's Climate

Corn follows the inverted calendar in subtropical zones. Plant from January (south Florida) through March. Harvest before summer heat causes poor kernel development during pollination. Fall armyworm is the most destructive corn pest in hot climates — Bt is essential.

Soil Considerations for Nevada

Desert soils — alkaline, low organic matter. Extremely dry. Heavy amendment essential. Irrigation required. Make sure soil has warmed to at least 60°F before planting corn (sweet) outside.

Nevada Climate & Growing Season

Arid climate. Extreme heat in summer (Las Vegas). Short season at altitude. Very low humidity. Water conservation critical. Corn (Sweet) cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.

Growing season length varies across Nevada: Northern Nevada (Reno) (6b, 7a) has a last frost around May 1 - May 20, while Mountain Nevada (4a, 4b, 5a, 5b) sees frost end around May 25 - Jun 15. This difference matters for corn (sweet) — transplant timing shifts by several weeks across the state.

Growing Tips

Plant in blocks of at least 4x4 for wind pollination. Corn is a heavy feeder — amend soil with compost before planting.

Companion Planting

Plant corn (sweet) alongside these companions for better growth:

Beans Squash Melons

Keep corn (sweet) away from:

Tomatoes

The Bottom Line

Corn (Sweet) can be grown successfully across Nevada, but your exact planting dates depend on which region you're in. Northern Nevada (Reno) gardeners should plan around a May 1 - May 20 last frost, while those in Mountain Nevada can typically plant later. For exact dates based on your zip code, use our free planting date finder.
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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