Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 30, 2026

Planting zone for Paramus, NJ

Paramus, NJ is in USDA zone 7a across its 2 ZIP codes. The median last spring frost is April 3 and the first fall frost November 4.

Paramus on the zone map

Outlined: its 1 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7a0 to 5 °F

ZIP codes2

Last frostApr 3

First frostNov 4

Growing season215 days

7a 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Paramus, NJ

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 3median — 50% chance of a later frost

Safe for tender plantsApril 16only 10% chance of frost after

First fall frostNovember 4median — 10% chance by Oct 21

Growing season215 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 23 and returns around November 16.

From the NOAA station Teterboro Airport, NJ, elevation 10 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in Paramus

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 20 – Mar 6

SpinachSow outdoors · Feb 20 – Mar 13

Broccoli, cabbageStart indoors · Jan 23 – Feb 6

Broccoli, cabbageTransplant · Mar 13 – Mar 27

Onion setsPlant outdoors · Mar 6 – Mar 20

PotatoesPlant outdoors · Mar 13 – Mar 27

LettuceSow outdoors · Mar 6 – Mar 20

Carrots, beetsSow outdoors · Mar 13 – Mar 27

TomatoesStart indoors · Feb 6 – Feb 20

TomatoesTransplant · Apr 10 – Apr 24

Peppers, eggplantStart indoors · Jan 23 – Feb 6

Peppers, eggplantTransplant · Apr 17 – May 1

BeansSow outdoors · Apr 10 – Apr 24

Sweet cornSow outdoors · Apr 10 – Apr 24

Cucumbers, squashSow outdoors · Apr 10 – Apr 24

Fall lettuce, spinachSow outdoors · Sep 9 – Sep 23

GarlicPlant cloves · Oct 21 – Nov 25

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 3) and first fall frost (Nov 4) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 07653 came on Mar 31 — 5 days later than the 1991–2020 average (Mar 26).

average
Mar 262026
Mar 31

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 7a in New Jersey

600 plants native to the lower 48 states, recorded in New Jersey, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Paramus, NJ.

Soil in Paramus, NJ

The soil mapped at the center of ZIP 07653 is Udorthents — loam, well drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureLoama good balance for most vegetables

pH5.5moderately acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter3%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Urban land.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 07653; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Paramus, NJ

Summer high87 °Faverage high, July

Winter low26 °Faverage low, January

Hot days29days a year at 90 °F or more

Freezing nights89nights a year at 32 °F or less

Growing degree days3,853base 50 °F — the season’s usable heat

Longest day15 h 07 mindaylight on June 21

Shortest day9 h 14 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation49.3 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Teterboro Airport, NJ (7 mi away); precipitation: Glen Rock 0.7 Sse, NJ (2 mi away). Daylight is calculated from latitude.

ZIP codes in Paramus

New Jersey planting zones →

Questions about Paramus

What planting zone is Paramus, NJ?

Paramus, NJ is in USDA hardiness zone 7a on the 2023 map (7a: 0 to 5 °F).

When is the last frost in Paramus, NJ?

The median last spring frost is April 3 and the median first fall frost is November 4 (NOAA 1991–2020 normals, Teterboro Airport station).

When can I plant a garden in Paramus, NJ?

Cool-season crops like peas and spinach go in around Feb 20 – Mar 13; tomatoes, peppers, beans and squash after about Apr 10, once frost risk has passed.

What kind of onions grow in Paramus, NJ?

Long-day onions: the longest day is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

How much rain and snow does Paramus, NJ get?

About 49.3 inches of precipitation a year (NOAA 1991–2020 normals).