Image from USDA
According to the USDA Hardiness Map, New Jersey planting zones range from Zone 6a to Zone 7b. Minimum average winter temperatures vary from –10°F to 10°F, depending on the region. Understanding the New Jersey zone for planting is essential for determining which crops can survive the winter and how long the growing season will be.
To find out what zone New Jersey is in for planting? Use a New Jersey planting zone map to determine your exact zone.
New Jersey Garden Zones by Region
-
Zone 6a–6b
Northern New Jersey (Sussex, Warren, Morris, and parts of Passaic)
Characterized by cooler winters and a shorter growing season. -
Zone 7a
Central New Jersey (Somerset, Mercer, Middlesex, Monmouth)
Mild winters and longer growing periods. -
Zone 7b
Southern and coastal New Jersey (Camden, Gloucester, Atlantic, Cape May)
The warmest zone in the state has an extended growing season.
Your specific New Jersey zone planting classification influences which crops will thrive and when to start growing.
Key Growing Challenges in New Jersey
New Jersey gardeners face cold winters, high humidity, and stormy weather that can impact plant health and growing success.
1. Cold Winters and Frost
New Jersey winters can be harsh, especially in Zone 6 regions. Frost can arrive early in fall and linger into late spring, reducing outdoor growing opportunities.
2. High Humidity
Summers in New Jersey are humid, creating ideal conditions for mold, mildew, and fungal diseases. Proper ventilation is crucial for a greenhouse’s success.
3. Heavy Rain, Storms, and Nor’easters
Strong winds, coastal storms, and heavy rainfall can cause significant damage to outdoor plants. A strong greenhouse helps stabilize the growing environment.
Benefits of Using a Greenhouse in New Jersey
1. Extended Growing Season
New Jersey’s outdoor growing season typically lasts 150–180 days, but colder northern zones may have shorter periods. A greenhouse can add 2 to 4 more months of productive gardening and allows cool-season crops to grow through the winter. Learn more about your area's specific growing dates and the best vegetables to plant in each part of New Jersey.
2. Greater Crop Variety
A greenhouse allows New Jersey gardeners to grow:
- Tomatoes and peppers well beyond summer
- Herbs such as basil and cilantro that struggle in cold weather
- Leafy greens year-round
- Brassicas (broccoli, cabbage, cauliflower) into late spring
- Seedlings early, long before the last frost date
3. Weather Protection
A greenhouse stabilizes temperature, reduces wind exposure, and protects plants from moisture-heavy storms and sudden temperature swings.
Why Choose Planta Greenhouses for New Jersey’s Climate?
Planta Greenhouses are engineered for strength and durability, making them ideal for responding to New Jersey’s cold winters, strong storms, and fluctuating weather.
- Withstands wind speeds up to 65 mph
- Handles snow loads up to 98 psf
- Heavy-duty galvanized steel frame
- UV-blocking polycarbonate panels
- Snow-shedding bell shape (Sungrow Series)
- Expandable length for additional growing space
These features make them well-suited for both Zone 6 and Zone 7 gardeners in New Jersey.