Cool-Season Vegetable

When to Plant Peas in Delaware

One of the earliest crops you can plant. Kids love picking and eating them right off the vine.

The Short Answer

Peas are cold-tolerant and do well in Delaware's varied climate. You can direct sow 6 weeks before your last frost — that's as early as Apr 10 - Apr 25 in Northern Delaware. Delaware gardeners can also plant a fall crop. 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

Peas Planting Schedule for Delaware

Northern Delaware (Zones 7a)

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

Direct Sow

6 wks before frost

Fall Planting

8 wks before first frost

Southern Delaware (Zones 7b)

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

Direct Sow

6 wks before frost

Fall Planting

8 wks before first frost

Growing Peas in Delaware

Peas in Delaware's Climate

Peas are your first spring crop — direct sow 4-6 weeks before last frost. Production continues until temperatures consistently exceed 80°F, usually by late June. Fall peas from an August sowing produce well into October. Provide trellising for climbing varieties.

Soil Considerations for Delaware

Sandy soils in south, clay loam in north. Generally well-drained. Slightly acidic.

Delaware Climate & Growing Season

Moderate climate with maritime influence. Good growing conditions for a wide range of vegetables. Peas can handle frost well, which is an advantage in Delaware's climate. You can push planting dates earlier in spring and extend into fall.

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 peas — but peas handle frost well, so the timing difference is less critical.

Growing Tips

Direct sow as early as the soil can be worked. Inoculate with rhizobium for bigger harvests. Provide a trellis for climbing varieties.

Companion Planting

Plant peas alongside these companions for better growth:

Carrots Radishes Corn Cucumbers

Keep peas away from:

Onions Garlic

The Bottom Line

Peas 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