Planting calendar / Harlingen, TX
Planting calendar for Harlingen, TX
Station HARLINGEN, TX US (USC00413943) is 1.7 miles away. Median last 32°F 01/09, median first 32°F 01/03. 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.
Crops in the cited guide
SowTomatoesSpringJanuary 16 – March 5As printed1 to 8 weeks afterFallSeptember 27 – October 11As printed12 to 14 weeks before70-90 days to harvestSowPeppersSpringJanuary 16 – March 5As printed1 to 8 weeks afterFallSeptember 13 – October 11As printed12 to 16 weeks before60-90 days to harvestSowEggplantSpringJanuary 23 – February 20As printed2 to 6 weeks afterFallSeptember 13 – October 11As printed12 to 16 weeks before80-90 days to harvestSowCucumberSpringJanuary 16 – February 20As printed1 to 6 weeks afterFallOctober 11 – October 25As printed10 to 12 weeks before50-70 days to harvestSowSummer squashSpringJanuary 16 – February 6As printed1 to 4 weeks afterFallSeptember 20 – October 11As printed12 to 15 weeks before50-60 days to harvestSowWinter squashSpringJanuary 16 – February 6As printed1 to 4 weeks afterFallSeptember 27 – October 11As printed12 to 14 weeks before85-100 days to harvestSowSnap beans, bushSpringJanuary 16 – February 6As printed1 to 4 weeks afterFallOctober 25 – November 8As printed8 to 10 weeks before45-60 days to harvestSowSnap beans, poleSpringJanuary 16 – February 6As printed1 to 4 weeks afterFallSeptember 13 – September 27As printed14 to 16 weeks before60-70 days to harvestSowSweet cornSpringJanuary 16 – February 20As printed1 to 6 weeks afterFallSeptember 27 – October 11As printed12 to 14 weeks before70-90 days to harvestSowLettuceSpringNovember 28 – January 23As printed6 weeks before or 2 weeks afterFallSeptember 27 – October 25As printed10 to 14 weeks before40-80 days to harvestSowSpinachSpringNovember 14 – January 2As printed1 to 8 weeks beforeFallSeptember 13 – December 20As printed2 to 16 weeks before40-60 days to harvestSowCollards and kaleSpringNovember 28 – December 26As printed2 to 6 weeks beforeFallOctober 11 – November 8As printed8 to 12 weeks before50-80 days to harvestSowBroccoliSpringNovember 28 – December 12As printed4 to 6 weeks beforeFallSeptember 13 – October 25As printed10 to 16 weeks before60-80 days to harvestSowCabbageSpringNovember 28 – December 12As printed4 to 6 weeks beforeFallSeptember 13 – October 25As printed10 to 16 weeks before60-90 days to harvestSowCarrotsSpringNovember 28 – December 12As printed4 to 6 weeks beforeFallSeptember 27 – October 11As printed12 to 14 weeks before70-80 days to harvestSowRadishesSpringNovember 28 – February 6As printed6 weeks before / 4 weeks afterFallNovember 8 – December 27As printed1 to 8 weeks before25-40 days to harvestSowBeetsSpringNovember 28 – December 12As printed4 to 6 weeks beforeFallOctober 25 – November 8As printed8 to 10 weeks before50-60 days to harvestSowEnglish peasSpringNovember 14 – December 26As printed2 to 8 weeks beforeFallOctober 11 – December 20As printed2 to 12 weeks before55-90 days to harvestSowSouthern peasSpringJanuary 23 – March 19As printed2 to 10 weeks afterFallOctober 11 – October 25As printed10 to 12 weeks before60-70 days to harvestSowOnions, from plantsSpringOctober 31 – December 12As printed4 to 10 weeks before80-120 days to harvestSowGarlicFallNovember 22 – December 6As printed4 to 6 weeks before140-150 days to harvestSowIrish potatoesSpringNovember 28 – December 12As printed4 to 6 weeks beforeFallSeptember 13 – September 27As printed14 to 16 weeks before75-100 days to harvestSowSweet potatoesSpringJanuary 23 – March 5As printed2 to 8 weeks after100-130 days to harvestSowOkraSpringJanuary 23 – February 20As printed2 to 6 weeks afterFallSeptember 13 – October 11As printed12 to 16 weeks before55-65 days to harvestSowWatermelonSpringJanuary 16 – February 20As printed1 to 6 weeks afterFallSeptember 13 – September 27As printed14 to 16 weeks before80-100 days to harvestSowCollardsSpringNovember 28 – December 26As printed2 to 6 weeks beforeFallOctober 11 – November 8As printed8 to 12 weeks before50-80 days to harvestSowSwiss chardSpringNovember 28 – December 26As printed2 to 6 weeks beforeFallSeptember 27 – October 11As printed12 to 14 weeks before45-55 days to harvestSowTurnipsSpringNovember 28 – December 26As printed2 to 6 weeks beforeFallOctober 11 – December 20As printed2 to 12 weeks before30-60 days to harvestSowPumpkinSpringJanuary 16 – February 6As printed1 to 4 weeks afterFallSeptember 27 – October 11As printed12 to 14 weeks before75-100 days to harvestSowBrussels sproutsSpringNovember 28 – December 12As printed4 to 6 weeks beforeFallSeptember 27 – October 25As printed10 to 14 weeks before90-100 days to harvestSowCauliflowerFallSeptember 13 – October 25As printed10 to 16 weeks before70-90 days to harvestSowMustardSpringJanuary 16 – February 20As printed1 to 6 weeks afterFallSeptember 13 – October 25As printed10 to 16 weeks before30-40 days to harvest
Harlingen, TX
Zone 10aAverage annual extreme minimum 30°F to 35°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Texas. Nearest qualified station: HARLINGEN, TX US (USC00413943), 1.7 miles. Median last 32°F January 9. Median first 32°F January 3. The 50% growing-season length is 365 days.
Open the ZIP page · Crop guides for Texas
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | February 4 | January 9 | December 15 |
| First 32°F on or before | December 9 | January 3 | January 29 |
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.
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