Herb

When to Plant Parsley in Delaware

More than a garnish. Parsley is a biennial that produces abundantly its first year and is one of the most nutritious herbs.

The Short Answer

Parsley are planted in fall in Delaware, 8 weeks before your first frost date. That means planting around Oct 10 - Oct 25 in Northern Delaware.

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

Parsley Planting Schedule for Delaware

Northern Delaware (Zones 7a)

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

Start Seeds Indoors

8 wks before frost

Transplant Outside

2 wks before frost

Direct Sow

3 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

Start Seeds Indoors

8 wks before frost

Transplant Outside

2 wks before frost

Direct Sow

3 wks before frost

Fall Planting

8 wks before first frost

Growing Parsley in Delaware

Parsley in Delaware's Climate

Parsley grows all season in your climate. Transplant from mid-April. The biennial rarely bolts in its first year, giving you months of continuous harvest. Fall parsley often survives winter under mulch in your milder microclimates for an even earlier start next spring.

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.

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 parsley — adjust your planting dates to match your specific region.

Growing Tips

Parsley seeds are notoriously slow to germinate — soak overnight before planting. It's a biennial: lush leaves year one, seeds year two.

Companion Planting

Plant parsley alongside these companions for better growth:

Tomatoes Asparagus Corn

The Bottom Line

Parsley 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