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North Richland Hills, TX Planting Calendar & Frost Dates

USDA hardiness zone 8b · ZIP 76180 · elevation 196′ · NOAA & USDA data

North Richland Hills is in USDA hardiness zone 8b (winters can dip to 15 to 20°F), with a growing season of about 255 days between the average last spring frost (March 10) and first fall frost (November 20). The warmest month is July (avg high 94°F); the coldest is January (avg low 35.5°F). It averages 38″ of precipitation a year and 2″ 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
8b
min temp 15 to 20°F
Last spring frost
March 10
avg (50% prob, 32°F)
First fall frost
November 20
avg (50% prob, 32°F)
Growing season
255 days
frost-free window
Warmest month
July
avg high 94°F

Month-by-month typical weather in North Richland Hills

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Ft Worth Wsfo, TX (4.3 mi away). Temperatures °F, precipitation & snow in inches.

MonthAvg highAvg lowMeanPrecip (in)Snow (in)
January 55.5 35.5 45.5 2.2 0.1
February 59.4 39.2 49.3 2.6 1.3
March 67.2 46.9 57 3.3 0.3
April 74.6 54.2 64.4 3.3 0
May 82 63.5 72.7 4.3 0
June 89.9 71.4 80.7 4.3 0
July 94 75.2 84.6 2.8 0
August 94 74.7 84.3 2.6 0
September 86.7 67.5 77.1 2.7 0
October 76.7 56.1 66.4 4.6 0
November 65.3 45.3 55.3 2.6 0
December 56.7 37.1 46.9 2.9 0.3

What to plant when in North Richland Hills

CropSeasonWhat to do & when
TomatoeswarmStart seeds indoors: January 27 · Transplant out: March 17
PepperswarmStart seeds indoors: January 13 · Transplant out: March 24
CucumberswarmDirect sow: March 17
Zucchini / squashwarmDirect sow: March 17
Bush beanswarmDirect sow: March 17
Sweet cornwarmDirect sow: March 17
BasilwarmTransplant out: March 17
PeascoolSow (spring): February 3 · Sow (fall): September 25
SpinachcoolSow (spring): January 27 · Sow (fall): September 25
LettucecoolSow (spring): February 10 · Sow (fall): September 25
KalecoolTransplant (spring): February 17 · Sow (fall): September 11
BroccolicoolTransplant (spring): February 24
CarrotscoolSow (spring): February 17 · Sow (fall): September 11
OnionscoolTransplant (spring): February 10
PotatoescoolPlant seed potatoes: February 24
RadishescoolSow (spring): February 10 · Sow (fall): October 9

Dates are computed from North Richland Hills'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 Texas

Hurst, TXHaltom City, TXBedford, TXKeller, TXEuless, TXFort Worth, TXGrapevine, TXGrand Prairie, TX

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 — Ft Worth Wsfo, TX, 4.3 mi (confidence: high). Monthly weather normals: Ft Worth Wsfo, TX, 4.3 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.