Warm-Season Vegetable

When to Plant Beans (Green/Snap) in Delaware

Easy, productive, and they even improve your soil by fixing nitrogen. A perfect crop for beginners.

The Short Answer

In Delaware, beans (green/snap) planting dates vary by region. In Northern Delaware, your average last frost is around Apr 10 - Apr 25, while Southern Delaware sees its last frost around Apr 1 - Apr 15. Since beans (green/snap) are frost-sensitive, direct sow 1 weeks after your last frost date. Sandy soils in south, clay loam in north. Generally well-drained. Slightly acidic.

Delaware Frost Dates

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

Region	Zones	Last Frost (Spring)	First Frost (Fall)
Northern Delaware	7a	Apr 10 - Apr 25	Oct 10 - Oct 25
Southern Delaware	7b	Apr 1 - Apr 15	Oct 20 - Nov 5

Beans (Green/Snap) Planting Schedule for Delaware

Northern Delaware (Zones 7a)

Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 10 - Oct 25

Direct Sow

1 wks after frost

Southern Delaware (Zones 7b)

Average last frost: Apr 1 - Apr 15 · Average first frost: Oct 20 - Nov 5

Direct Sow

1 wks after frost

Growing Beans (Green/Snap) in Delaware

Beans (Green/Snap) in Delaware's Climate

Your climate is classic bean country. Direct sow from mid-May when soil warms to 60°F. Succession plant bush beans every 2 weeks through mid-July for continuous harvest. Your warm, humid summers are ideal for bean production — just watch for Mexican bean beetle and Japanese beetle, which are common in the mid-Atlantic and Midwest.

Soil Considerations for Delaware

Sandy soils in south, clay loam in north. Generally well-drained. Slightly acidic. Make sure soil has warmed to at least 60°F before planting beans (green/snap) outside.

Delaware Climate & Growing Season

Moderate climate with maritime influence. Good growing conditions for a wide range of vegetables. Beans (Green/Snap) 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 Delaware: Northern Delaware (7a) has a last frost around Apr 10 - Apr 25, while Southern Delaware (7b) sees frost end around Apr 1 - Apr 15. This difference matters for beans (green/snap) — transplant timing shifts by several weeks across the state.

Growing Tips

Direct sow only — beans don't transplant well. Inoculate seeds with rhizobium for better nitrogen fixation.

Companion Planting

Plant beans (green/snap) alongside these companions for better growth:

Corn Squash Carrots Cucumbers

Keep beans (green/snap) away from:

Onions Garlic Chives

The Bottom Line

Beans (Green/Snap) can be grown successfully across Delaware, but your exact planting dates depend on which region you're in. Northern Delaware gardeners should plan around a Apr 10 - Apr 25 last frost, while those in Southern Delaware 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