Cool-Season Vegetable

When to Plant Spinach in New Jersey

Fast from seed to salad. Spinach bolts in heat, so plant early in spring and again in fall.

The Short Answer

Spinach are cold-tolerant and do well in New Jersey's varied climate. You can direct sow 6 weeks before your last frost — that's as early as Apr 20 - May 5 in Northern New Jersey. New Jersey gardeners can also plant a fall crop. Sandy soils in Pine Barrens. Clay in north. Acidic in south. Rich loam in central agricultural...

New Jersey Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Northern New Jersey 6a, 6b Apr 20 - May 5 Oct 5 - Oct 20
Central New Jersey 6b, 7a Apr 10 - Apr 25 Oct 15 - Nov 1
Southern New Jersey 7a, 7b Apr 1 - Apr 15 Oct 20 - Nov 5

Spinach Planting Schedule for New Jersey

Northern New Jersey (Zones 6a, 6b)

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

Direct Sow
6 wks before frost
Fall Planting
6 wks before first frost

Central New Jersey (Zones 6b, 7a)

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

Direct Sow
6 wks before frost
Fall Planting
6 wks before first frost

Southern New Jersey (Zones 7a, 7b)

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

Direct Sow
6 wks before frost
Fall Planting
6 wks before first frost

Growing Spinach in New Jersey

Spinach in New Jersey's Climate

Spinach thrives in your spring and fall cool windows. Direct sow 4 weeks before last frost and succession plant every 2 weeks through mid-May. Resume sowing in late August. When summer temperatures consistently exceed 75°F, spinach bolts within days — pull plants and switch to heat-tolerant greens like Swiss chard.

Soil Considerations for New Jersey

Sandy soils in Pine Barrens. Clay in north. Acidic in south. Rich loam in central agricultural areas. The Garden State for good reason.

New Jersey Climate & Growing Season

Moderate climate with maritime influence. Good growing season. Four seasons. Excellent for a wide range of crops. Spinach can handle frost well, which is an advantage in New Jersey's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across New Jersey: Northern New Jersey (6a, 6b) has a last frost around Apr 20 - May 5, while Southern New Jersey (7a, 7b) sees frost end around Apr 1 - Apr 15. This difference matters for spinach — adjust your planting dates to match your specific region.

Growing Tips

Direct sow as soon as soil can be worked in spring. For fall, plant 6-8 weeks before first frost.

Companion Planting

Plant spinach alongside these companions for better growth:

Strawberries Peas Radishes

The Bottom Line

Spinach can be grown successfully across New Jersey, but your exact planting dates depend on which region you're in. Northern New Jersey gardeners should plan around a Apr 20 - May 5 last frost, while those in Southern New Jersey can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Spinach Growing Guide National planting guide with all states New Jersey Planting Calendar All plants for New Jersey Spinach in Alabama Alabama planting dates Spinach in Alaska Alaska planting dates Spinach in Arizona Arizona planting dates Spinach in Arkansas Arkansas planting dates
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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