Root Vegetable

When to Plant Radishes in Nebraska

The fastest vegetable in the garden — some varieties are ready in just 25 days. Perfect for impatient gardeners and kids.

The Short Answer

In Nebraska, soil conditions are an important factor for radishes. Rich prairie soils in east. Sandy soils in Sandhills region. Loess deposits along Missouri River. Direct sow 4 weeks before your last frost date. Radishes can also be planted in fall, 6 weeks before your first frost.

Nebraska Frost Dates

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

Region	Zones	Last Frost (Spring)	First Frost (Fall)
Northern/Western Nebraska	4a, 4b	May 5 - May 20	Sep 20 - Oct 5
Eastern Nebraska	5a, 5b	Apr 25 - May 10	Oct 1 - Oct 15

Radishes Planting Schedule for Nebraska

Northern/Western Nebraska (Zones 4a, 4b)

Average last frost: May 5 - May 20 · Average first frost: Sep 20 - Oct 5

Direct Sow

4 wks before frost

Fall Planting

6 wks before first frost

Eastern Nebraska (Zones 5a, 5b)

Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15

Direct Sow

4 wks before frost

Fall Planting

6 wks before first frost

Growing Radishes in Nebraska

Radishes in Nebraska's Climate

Radishes are perfect for cold-climate gardens — they're the fastest crop from seed to harvest (as few as 22 days) and tolerate frost. Direct sow as soon as soil thaws. Your cool, long spring means radishes grow for weeks without the bolting pressure that ends the season rapidly in warm zones. Fall radishes from an August sowing are equally productive.

Soil Considerations for Nebraska

Rich prairie soils in east. Sandy soils in Sandhills region. Loess deposits along Missouri River. Loose, well-drained soil is especially important for radishes since the edible portion grows underground. If your soil is heavy clay, consider raised beds.

Nebraska Climate & Growing Season

Continental climate. Hot summers, cold winters. Adequate growing season in east. Drier in west — irrigation may be needed. Radishes can handle frost well, which is an advantage in Nebraska's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across Nebraska: Northern/Western Nebraska (4a, 4b) has a last frost around May 5 - May 20, while Eastern Nebraska (5a, 5b) sees frost end around Apr 25 - May 10. This difference matters for radishes — but radishes handle frost well, so the timing difference is less critical.

Growing Tips

Don't let them stay in the ground too long — they get pithy and hot. Succession plant every 2 weeks for continuous harvest.

Companion Planting

Plant radishes alongside these companions for better growth:

Peas Lettuce Carrots Spinach

The Bottom Line

Radishes can be grown successfully across Nebraska, but your exact planting dates depend on which region you're in. Northern/Western Nebraska gardeners should plan around a May 5 - May 20 last frost, while those in Eastern Nebraska can typically plant earlier. 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