Annual Flower

When to Plant Marigolds in New Jersey

The ultimate companion plant. Marigolds repel pests, attract pollinators, and add cheerful color all season long.

The Short Answer

In New Jersey, plant marigolds based on your regional frost dates. Northern New Jersey has a last frost around Apr 20 - May 5, while Southern New Jersey sees frost end around Apr 1 - Apr 15. Moderate climate with maritime influence. Good growing season. Four seasons. Excellent for a wide range of crops.

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

Marigolds 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

Start Seeds Indoors
6 wks before frost
Transplant Outside
1 wks after frost
Direct Sow
1 wks after frost

Central New Jersey (Zones 6b, 7a)

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

Start Seeds Indoors
6 wks before frost
Transplant Outside
1 wks after frost
Direct Sow
1 wks after frost

Southern New Jersey (Zones 7a, 7b)

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

Start Seeds Indoors
6 wks before frost
Transplant Outside
1 wks after frost
Direct Sow
1 wks after frost

Growing Marigolds in New Jersey

Marigolds in New Jersey's Climate

Marigolds are a garden essential in moderate climates — both beautiful and functional. Transplant after last frost and enjoy blooms until hard freeze. Plant French marigolds throughout your vegetable garden for broad pest deterrence. Deadhead for continuous bloom.

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. Make sure soil has warmed to at least 60°F before planting marigolds outside.

New Jersey Climate & Growing Season

Moderate climate with maritime influence. Good growing season. Four seasons. Excellent for a wide range of crops. Marigolds 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 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 marigolds — transplant timing shifts by several weeks across the state.

Growing Tips

French marigolds are best for pest control in vegetable gardens. Deadhead spent flowers to keep them blooming until frost.

Companion Planting

Plant marigolds alongside these companions for better growth:

Tomatoes Peppers Squash Beans

The Bottom Line

Marigolds 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

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