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Planting calendar / Round Rock, TX

Planting calendar for Round Rock, TX

Station AUSTIN GREAT HILLS, TX US (USC00410433) is 9.9 miles away. Median last 32°F 03/11, median first 32°F 11/20. 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.

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Crops in the cited guide

SowTomatoesSpringMarch 18 – May 6As printed1 to 8 weeks afterFallAugust 14 – August 28As printed12 to 14 weeks before70-90 days to harvestSowPeppersSpringMarch 18 – May 6As printed1 to 8 weeks afterFallJuly 31 – August 28As printed12 to 16 weeks before60-90 days to harvestSowEggplantSpringMarch 25 – April 22As printed2 to 6 weeks afterFallJuly 31 – August 28As printed12 to 16 weeks before80-90 days to harvestSowCucumberSpringMarch 18 – April 22As printed1 to 6 weeks afterFallAugust 28 – September 11As printed10 to 12 weeks before50-70 days to harvestSowSummer squashSpringMarch 18 – April 8As printed1 to 4 weeks afterFallAugust 7 – August 28As printed12 to 15 weeks before50-60 days to harvestSowWinter squashSpringMarch 18 – April 8As printed1 to 4 weeks afterFallAugust 14 – August 28As printed12 to 14 weeks before85-100 days to harvestSowSnap beans, bushSpringMarch 18 – April 8As printed1 to 4 weeks afterFallSeptember 11 – September 25As printed8 to 10 weeks before45-60 days to harvestSowSnap beans, poleSpringMarch 18 – April 8As printed1 to 4 weeks afterFallJuly 31 – August 14As printed14 to 16 weeks before60-70 days to harvestSowSweet cornSpringMarch 18 – April 22As printed1 to 6 weeks afterFallAugust 14 – August 28As printed12 to 14 weeks before70-90 days to harvestSowLettuceSpringJanuary 29 – March 25As printed6 weeks before or 2 weeks afterFallAugust 14 – September 11As printed10 to 14 weeks before40-80 days to harvestSowSpinachSpringJanuary 15 – March 4As printed1 to 8 weeks beforeFallJuly 31 – November 6As printed2 to 16 weeks before40-60 days to harvestSowCollards and kaleSpringJanuary 29 – February 26As printed2 to 6 weeks beforeFallAugust 28 – September 25As printed8 to 12 weeks before50-80 days to harvestSowBroccoliSpringJanuary 29 – February 12As printed4 to 6 weeks beforeFallJuly 31 – September 11As printed10 to 16 weeks before60-80 days to harvestSowCabbageSpringJanuary 29 – February 12As printed4 to 6 weeks beforeFallJuly 31 – September 11As printed10 to 16 weeks before60-90 days to harvestSowCarrotsSpringJanuary 29 – February 12As printed4 to 6 weeks beforeFallAugust 14 – August 28As printed12 to 14 weeks before70-80 days to harvestSowRadishesSpringJanuary 29 – April 8As printed6 weeks before / 4 weeks afterFallSeptember 25 – November 13As printed1 to 8 weeks before25-40 days to harvestSowBeetsSpringJanuary 29 – February 12As printed4 to 6 weeks beforeFallSeptember 11 – September 25As printed8 to 10 weeks before50-60 days to harvestSowEnglish peasSpringJanuary 15 – February 26As printed2 to 8 weeks beforeFallAugust 28 – November 6As printed2 to 12 weeks before55-90 days to harvestSowSouthern peasSpringMarch 25 – May 20As printed2 to 10 weeks afterFallAugust 28 – September 11As printed10 to 12 weeks before60-70 days to harvestSowOnions, from plantsSpringJanuary 1 – February 12As printed4 to 10 weeks before80-120 days to harvestSowGarlicFallOctober 9 – October 23As printed4 to 6 weeks before140-150 days to harvestSowIrish potatoesSpringJanuary 29 – February 12As printed4 to 6 weeks beforeFallJuly 31 – August 14As printed14 to 16 weeks before75-100 days to harvestSowSweet potatoesSpringMarch 25 – May 6As printed2 to 8 weeks after100-130 days to harvestSowOkraSpringMarch 25 – April 22As printed2 to 6 weeks afterFallJuly 31 – August 28As printed12 to 16 weeks before55-65 days to harvestSowWatermelonSpringMarch 18 – April 22As printed1 to 6 weeks afterFallJuly 31 – August 14As printed14 to 16 weeks before80-100 days to harvestSowCollardsSpringJanuary 29 – February 26As printed2 to 6 weeks beforeFallAugust 28 – September 25As printed8 to 12 weeks before50-80 days to harvestSowSwiss chardSpringJanuary 29 – February 26As printed2 to 6 weeks beforeFallAugust 14 – August 28As printed12 to 14 weeks before45-55 days to harvestSowTurnipsSpringJanuary 29 – February 26As printed2 to 6 weeks beforeFallAugust 28 – November 6As printed2 to 12 weeks before30-60 days to harvestSowPumpkinSpringMarch 18 – April 8As printed1 to 4 weeks afterFallAugust 14 – August 28As printed12 to 14 weeks before75-100 days to harvestSowBrussels sproutsSpringJanuary 29 – February 12As printed4 to 6 weeks beforeFallAugust 14 – September 11As printed10 to 14 weeks before90-100 days to harvestSowCauliflowerFallJuly 31 – September 11As printed10 to 16 weeks before70-90 days to harvestSowMustardSpringMarch 18 – April 22As printed1 to 6 weeks afterFallJuly 31 – September 11As printed10 to 16 weeks before30-40 days to harvest

Round Rock, TX

Zone 9aAverage annual extreme minimum 20°F to 25°F

Median last 32°F is March 11. Median first 32°F is November 20. The 50% growing-season length is 254 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: AUSTIN GREAT HILLS, TX US (USC00410433), 9.9 miles. Median last 32°F March 11. Median first 32°F November 20. The 50% growing-season length is 254 days.

Open the ZIP page · Crop guides for Texas

32°F probabilities at this station
10%50%90%
Last 32°F on or afterMarch 29March 11February 22
First 32°F on or beforeNovember 3November 20December 9

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.

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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