Planting Date FinderZone, frost date, planting window

Planting calendar / Prosper, TX

Planting calendar for Prosper, TX

Station MCKINNEY MUNICIPAL AIRPORT, TX US (USC00415766) is 13.3 miles away. Median last 32°F 03/17, median first 32°F 11/15. Crop dates below come from Texas A&M AgriLife Extension. Where the guide uses weeks around a frost date, those weeks are applied to the median 32°F dates because the guide does not name a 10/50/90 level.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Crops in the cited guide

SowTomatoesSpringMarch 24 – May 12As printed1 to 8 weeks afterFallAugust 9 – August 23As printed12 to 14 weeks before70-90 days to harvestSowPeppersSpringMarch 24 – May 12As printed1 to 8 weeks afterFallJuly 26 – August 23As printed12 to 16 weeks before60-90 days to harvestSowEggplantSpringMarch 31 – April 28As printed2 to 6 weeks afterFallJuly 26 – August 23As printed12 to 16 weeks before80-90 days to harvestSowCucumberSpringMarch 24 – April 28As printed1 to 6 weeks afterFallAugust 23 – September 6As printed10 to 12 weeks before50-70 days to harvestSowSummer squashSpringMarch 24 – April 14As printed1 to 4 weeks afterFallAugust 2 – August 23As printed12 to 15 weeks before50-60 days to harvestSowWinter squashSpringMarch 24 – April 14As printed1 to 4 weeks afterFallAugust 9 – August 23As printed12 to 14 weeks before85-100 days to harvestSowSnap beans, bushSpringMarch 24 – April 14As printed1 to 4 weeks afterFallSeptember 6 – September 20As printed8 to 10 weeks before45-60 days to harvestSowSnap beans, poleSpringMarch 24 – April 14As printed1 to 4 weeks afterFallJuly 26 – August 9As printed14 to 16 weeks before60-70 days to harvestSowSweet cornSpringMarch 24 – April 28As printed1 to 6 weeks afterFallAugust 9 – August 23As printed12 to 14 weeks before70-90 days to harvestSowLettuceSpringFebruary 4 – March 31As printed6 weeks before or 2 weeks afterFallAugust 9 – September 6As printed10 to 14 weeks before40-80 days to harvestSowSpinachSpringJanuary 21 – March 10As printed1 to 8 weeks beforeFallJuly 26 – November 1As printed2 to 16 weeks before40-60 days to harvestSowCollards and kaleSpringFebruary 4 – March 3As printed2 to 6 weeks beforeFallAugust 23 – September 20As printed8 to 12 weeks before50-80 days to harvestSowBroccoliSpringFebruary 4 – February 18As printed4 to 6 weeks beforeFallJuly 26 – September 6As printed10 to 16 weeks before60-80 days to harvestSowCabbageSpringFebruary 4 – February 18As printed4 to 6 weeks beforeFallJuly 26 – September 6As printed10 to 16 weeks before60-90 days to harvestSowCarrotsSpringFebruary 4 – February 18As printed4 to 6 weeks beforeFallAugust 9 – August 23As printed12 to 14 weeks before70-80 days to harvestSowRadishesSpringFebruary 4 – April 14As printed6 weeks before / 4 weeks afterFallSeptember 20 – November 8As printed1 to 8 weeks before25-40 days to harvestSowBeetsSpringFebruary 4 – February 18As printed4 to 6 weeks beforeFallSeptember 6 – September 20As printed8 to 10 weeks before50-60 days to harvestSowEnglish peasSpringJanuary 21 – March 3As printed2 to 8 weeks beforeFallAugust 23 – November 1As printed2 to 12 weeks before55-90 days to harvestSowSouthern peasSpringMarch 31 – May 26As printed2 to 10 weeks afterFallAugust 23 – September 6As printed10 to 12 weeks before60-70 days to harvestSowOnions, from plantsSpringJanuary 7 – February 18As printed4 to 10 weeks before80-120 days to harvestSowGarlicFallOctober 4 – October 18As printed4 to 6 weeks before140-150 days to harvestSowIrish potatoesSpringFebruary 4 – February 18As printed4 to 6 weeks beforeFallJuly 26 – August 9As printed14 to 16 weeks before75-100 days to harvestSowSweet potatoesSpringMarch 31 – May 12As printed2 to 8 weeks after100-130 days to harvestSowOkraSpringMarch 31 – April 28As printed2 to 6 weeks afterFallJuly 26 – August 23As printed12 to 16 weeks before55-65 days to harvestSowWatermelonSpringMarch 24 – April 28As printed1 to 6 weeks afterFallJuly 26 – August 9As printed14 to 16 weeks before80-100 days to harvestSowCollardsSpringFebruary 4 – March 3As printed2 to 6 weeks beforeFallAugust 23 – September 20As printed8 to 12 weeks before50-80 days to harvestSowSwiss chardSpringFebruary 4 – March 3As printed2 to 6 weeks beforeFallAugust 9 – August 23As printed12 to 14 weeks before45-55 days to harvestSowTurnipsSpringFebruary 4 – March 3As printed2 to 6 weeks beforeFallAugust 23 – November 1As printed2 to 12 weeks before30-60 days to harvestSowPumpkinSpringMarch 24 – April 14As printed1 to 4 weeks afterFallAugust 9 – August 23As printed12 to 14 weeks before75-100 days to harvestSowBrussels sproutsSpringFebruary 4 – February 18As printed4 to 6 weeks beforeFallAugust 9 – September 6As printed10 to 14 weeks before90-100 days to harvestSowCauliflowerFallJuly 26 – September 6As printed10 to 16 weeks before70-90 days to harvestSowMustardSpringMarch 24 – April 28As printed1 to 6 weeks afterFallJuly 26 – September 6As printed10 to 16 weeks before30-40 days to harvest

Prosper, TX

Zone 8bAverage annual extreme minimum 15°F to 20°F

Median last 32°F is March 17. Median first 32°F is November 15. The 50% growing-season length is 241 days. The green band runs from the median last frost to the median first frost. Thin ticks mark the 10%, 50%, and 90% dates.

Outside the median season Growing seasonTicks: 10%, 50%, and 90%

Texas. Nearest qualified station: MCKINNEY MUNICIPAL AIRPORT, TX US (USC00415766), 13.3 miles. Median last 32°F March 17. Median first 32°F November 15. The 50% growing-season length is 241 days.

Open the ZIP page · Crop guides for Texas

32°F probabilities at this station
10%50%90%
Last 32°F on or afterApril 5March 17February 27
First 32°F on or beforeOctober 27November 15December 5

Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.

A wall calendar surrounded by vegetables, herbs, seed packets, and watering cans.

Planting calendar

Windows below are from Texas A&M AgriLife Extension, Texas Home Vegetable Gardening Guide, retrieved 2026-10-10. Table 8 is statewide and is written as weeks before or after the frost-free date (spring) and the first freeze date (fall). It is not a single calendar date for every Texas city.

Date checks use your device’s calendar and appear after the page loads.

State crop pages: Tomatoes · Peppers · Eggplant · Cucumber · Summer squash · Winter squash · Snap beans, bush · Snap beans, pole