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Linden, NJ Planting Calendar & Frost Dates

USDA hardiness zone 7b · ZIP 07036 · elevation 24′ · NOAA & USDA data

Linden is in USDA hardiness zone 7b (winters can dip to 5 to 10°F), with a growing season of about 202 days between the average last spring frost (April 11) and first fall frost (October 31). The warmest month is July (avg high 85.9°F); the coldest is January (avg low 25.1°F). It averages 50.4″ of precipitation a year and 26.3″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone
7b
min temp 5 to 10°F
Last spring frost
April 11
avg (50% prob, 32°F)
First fall frost
October 31
avg (50% prob, 32°F)
Growing season
202 days
frost-free window
Warmest month
July
avg high 85.9°F

Month-by-month typical weather in Linden

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Cranford, NJ (5.3 mi away). Temperatures °F, precipitation & snow in inches.

MonthAvg highAvg lowMeanPrecip (in)Snow (in)
January 40.2 25.1 32.6 3.7 7
February 43 26.8 34.9 3.3 8.2
March 50.7 33.2 41.9 4.4 5
April 62.5 42.7 52.6 4.1 0.3
May 71.9 52.5 62.2 4.2 0
June 80.8 62.4 71.6 4.5 0
July 85.9 67.6 76.7 5.3 0
August 84.3 66.1 75.2 4.1 0
September 77.1 59.2 68.1 4.3 0
October 65.5 46.7 56.1 4.4 0
November 55 37.5 46.2 3.6 0.1
December 44.8 30.5 37.6 4.5 5.7

What to plant when in Linden

CropSeasonWhat to do & when
TomatoeswarmStart seeds indoors: February 28 · Transplant out: April 18
PepperswarmStart seeds indoors: February 14 · Transplant out: April 25
CucumberswarmDirect sow: April 18
Zucchini / squashwarmDirect sow: April 18
Bush beanswarmDirect sow: April 18
Sweet cornwarmDirect sow: April 18
BasilwarmTransplant out: April 18
PeascoolSow (spring): March 7 · Sow (fall): September 5
SpinachcoolSow (spring): February 28 · Sow (fall): September 5
LettucecoolSow (spring): March 14 · Sow (fall): September 5
KalecoolTransplant (spring): March 21 · Sow (fall): August 22
BroccolicoolTransplant (spring): March 28
CarrotscoolSow (spring): March 21 · Sow (fall): August 22
OnionscoolTransplant (spring): March 14
PotatoescoolPlant seed potatoes: March 28
RadishescoolSow (spring): March 14 · Sow (fall): September 19

Dates are computed from Linden's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in New Jersey

Elizabeth, NJBayonne, NJPerth Amboy, NJNewark, NJPlainfield, NJEast Orange, NJKearny, NJJersey City, NJ

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Cranford, NJ, 5.3 mi (confidence: high). Monthly weather normals: Cranford, NJ, 5.3 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.