Frost Dates for Rockwall, TX 75087

Last spring frost March 21 · First fall frost November 13 · 237 frost-free days · USDA Zone 8b

ZIP 75087 has about 44,300 people, the largest of 2 ZIP codes in Rockwall.

Long season: 237 frost-free days. Spring frost risk spans March 3–April 8 (36 days). Fall frost risk spans October 27–November 30 (34 days).

Frost probability for 75087

Frost10%50%90%
Spring (last frost)April 8March 21March 3
Fall (first frost)October 27November 13November 30

Dates come from NOAA 1971–2000 freeze probabilities at MCKINNEY MUNI AP (29.8 km away); the 50% date is the median year.

Frost dates by ZIP code in Rockwall, TX

ZIPLast spring frost (50%)First fall frost (50%)Zone
75087March 21November 138b
75032March 19November 148b

Which crops fit a 237-day season in Rockwall

In Rockwall (237 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoFeb 14Apr 4–Apr 11195fits: 80 days to maturity, 195 available after Apr 4.Jul 14
PepperFeb 7Apr 4–Apr 11195fits: 75 days to maturity, 195 available after Apr 4.Jul 19
LettuceJan 24Feb 21–Feb 28272two-plantings: Plant Feb 21 and again by Sep 22; both mature before Nov 20.Sep 22
Carrots—Feb 28–Mar 7279fits: 70 days to maturity, 279 available after Feb 28.Sep 11
CucumberFeb 28Apr 4–Apr 11209two-plantings: Plant Apr 4 and again by Aug 17; both mature before Oct 30.Aug 17
Beans—Mar 28–Apr 11223two-plantings: Plant Mar 28 and again by Aug 24; both mature before Nov 6.Aug 24
Peas—Jan 24–Apr 4300fits: 65 days to maturity, 300 available after Jan 24.Sep 2
ZucchiniMar 7Apr 4–Apr 11209two-plantings: Plant Apr 4 and again by Aug 22; both mature before Oct 30.Aug 22
OnionDec 27Feb 21–Mar 7272fits: 100 days to maturity, 272 available after Feb 21.—
Spinach—Jan 24–Mar 14314two-plantings: Plant Jan 24 and again by Oct 11; both mature before Dec 4.Oct 11
KaleJan 10Feb 21–Mar 7286two-plantings: Plant Feb 21 and again by Sep 26; both mature before Dec 4.Sep 26
BroccoliJan 24Feb 21–Mar 7272fits: 80 days to maturity, 272 available after Feb 21.Aug 18
CabbageJan 24Feb 21–Mar 7286fits: 70 days to maturity, 286 available after Feb 21.Sep 11
Radish—Jan 24–Apr 18300two-plantings: Plant Jan 24 and again by Oct 12; both mature before Nov 20.Oct 12
Beets—Jan 24–Apr 18300two-plantings: Plant Jan 24 and again by Sep 12; both mature before Nov 20.Sep 12
Potatoes—Mar 7–Mar 14258fits: 90 days to maturity, 258 available after Mar 7.—
Garlic—Nov 13342overwinter: Plant Nov 13 to Dec 4; harvest the following summer.Dec 4
Strawberry—Feb 14–Apr 11293perennial: A perennial: plant Feb 14; it fruits from the following year and keeps producing for several years.—
CornFeb 21Mar 28–Apr 4209fits: 75 days to maturity, 209 available after Mar 28.Jul 26
PumpkinMar 7Apr 4–Apr 4202fits: 100 days to maturity, 202 available after Apr 4.Jul 1
CauliflowerFeb 7Mar 14–Mar 28251fits: 75 days to maturity, 251 available after Mar 14.Aug 23
Swiss ChardJan 24Mar 7–Mar 7258two-plantings: Plant Mar 7 and again by Sep 12; both mature before Nov 20.Sep 12
Arugula—Jan 24–Apr 18314two-plantings: Plant Jan 24 and again by Oct 11; both mature before Dec 4.Oct 11
Brussel SproutsJan 24Feb 21–Mar 7286fits: 100 days to maturity, 286 available after Feb 21.Aug 12
Butternut SquashMar 7Apr 4–Apr 11202fits: 100 days to maturity, 202 available after Apr 4.Jul 1
EggplantJan 31Apr 4–Apr 11195fits: 70 days to maturity, 195 available after Apr 4.Jul 24
OkraFeb 21Mar 28–Apr 4216two-plantings: Plant Mar 28 and again by Aug 22; both mature before Oct 30.Aug 22
BasilFeb 14Apr 11–Apr 11202two-plantings: Plant Apr 11 and again by Aug 17; both mature before Oct 30.Aug 17
Cilantro—Feb 21–Mar 14272two-plantings: Plant Feb 21 and again by Sep 17; both mature before Nov 20.Sep 17
ParsleyJan 10Mar 28–Apr 4237fits: 70 days to maturity, 237 available after Mar 28.Aug 28
CeleryJan 10Mar 28–Apr 11237fits: 120 days to maturity, 237 available after Mar 28.Jul 9
ScallionsJan 10Feb 21–Mar 7286two-plantings: Plant Feb 21 and again by Sep 21; both mature before Dec 4.Sep 21
Turnip—Feb 21–Mar 7286two-plantings: Plant Feb 21 and again by Oct 1; both mature before Dec 4.Oct 1
Kohlrabi—Feb 7–Feb 21300two-plantings: Plant Feb 7 and again by Sep 26; both mature before Dec 4.Sep 26
Bok ChoyFeb 21Mar 14–Mar 21251two-plantings: Plant Mar 14 and again by Sep 22; both mature before Nov 20.Sep 22
CollardsJan 10Feb 21–Mar 7286two-plantings: Plant Feb 21 and again by Sep 21; both mature before Dec 4.Sep 21
CantaloupeMar 7Apr 4–Apr 11195fits: 85 days to maturity, 195 available after Apr 4.Jul 9
ChivesDec 27Mar 28–Apr 4251fits: 90 days to maturity, 251 available after Mar 28.—
Dill—Jan 24–Apr 18300two-plantings: Plant Jan 24 and again by Sep 12; both mature before Nov 20.Sep 12
OreganoJan 10Mar 28–Apr 4251fits: 80 days to maturity, 251 available after Mar 28.—
RosemaryDec 27Mar 28–Apr 4237fits: 80 days to maturity, 237 available after Mar 28.—
SageJan 24Mar 28–Apr 4251fits: 75 days to maturity, 251 available after Mar 28.—
ThymeJan 10Mar 28–Apr 4251fits: 90 days to maturity, 251 available after Mar 28.—
CalendulaFeb 7Mar 7–Mar 21258two-plantings: Plant Mar 7 and again by Sep 17; both mature before Nov 20.Sep 17
CosmosFeb 21Mar 21–Apr 4223two-plantings: Plant Mar 21 and again by Aug 17; both mature before Oct 30.Aug 17
LavenderDec 27Mar 21–Apr 4258fits: 90 days to maturity, 258 available after Mar 21.—
MarigoldsFeb 7Mar 21–Mar 28223two-plantings: Plant Mar 21 and again by Aug 27; both mature before Oct 30.Aug 27
MelonsMar 7Apr 4–Apr 11195fits: 85 days to maturity, 195 available after Apr 4.Jul 9
Mint—Mar 21–Apr 4258fits: 90 days to maturity, 258 available after Mar 21.—
NasturtiumsFeb 21Mar 21–Mar 28223two-plantings: Plant Mar 21 and again by Aug 22; both mature before Oct 30.Aug 22
Pole Beans—Mar 28–Apr 11216fits: 65 days to maturity, 216 available after Mar 28.Aug 12
Spaghetti SquashMar 7Apr 4–Apr 11202fits: 90 days to maturity, 202 available after Apr 4.Jul 11
Sunflowers—Mar 21–Apr 4223fits: 70 days to maturity, 223 available after Mar 21.Aug 7
TomatillosJan 24Mar 28–Apr 4202fits: 75 days to maturity, 202 available after Mar 28.Jul 19
WatermelonMar 7Mar 28–Apr 4202fits: 80 days to maturity, 202 available after Mar 28.Jul 14
Yellow SquashMar 7Apr 4–Apr 11209two-plantings: Plant Apr 4 and again by Aug 22; both mature before Oct 30.Aug 22
ZinniasFeb 21Mar 21–Apr 4223two-plantings: Plant Mar 21 and again by Aug 17; both mature before Oct 30.Aug 17

Month by month in Rockwall

MonthWhat to do
JanuaryStart indoors: Celery (Jan 10), Collards (Jan 10), Kale (Jan 10), Oregano (Jan 10), Parsley (Jan 10), Scallions (Jan 10), +9 more. Direct sow from: Arugula (Jan 24), Beets (Jan 24), Dill (Jan 24), Peas (Jan 24), Radish (Jan 24), Spinach (Jan 24).
FebruaryStart indoors: Calendula (Feb 7), Cauliflower (Feb 7), Marigolds (Feb 7), Pepper (Feb 7), Basil (Feb 14), Tomato (Feb 14), +7 more. Direct sow from: Kohlrabi (Feb 7), Cilantro (Feb 21), Turnip (Feb 21), Carrots (Feb 28). Transplant from: Broccoli (Feb 21), Brussel Sprouts (Feb 21), Cabbage (Feb 21), Collards (Feb 21), Kale (Feb 21), Lettuce (Feb 21), +2 more. Plant: Strawberry (Feb 14).
MarchStart indoors: Butternut Squash (Mar 7), Cantaloupe (Mar 7), Melons (Mar 7), Pumpkin (Mar 7), Spaghetti Squash (Mar 7), Watermelon (Mar 7), +2 more. Direct sow from: Potatoes (Mar 7), Sunflowers (Mar 21), Beans (Mar 28), Pole Beans (Mar 28). Transplant from: Calendula (Mar 7), Swiss Chard (Mar 7), Bok Choy (Mar 14), Cauliflower (Mar 14), Cosmos (Mar 21), Lavender (Mar 21), +15 more. Last frost around March 21.
AprilTransplant from: Butternut Squash (Apr 4), Cantaloupe (Apr 4), Cucumber (Apr 4), Eggplant (Apr 4), Melons (Apr 4), Pepper (Apr 4), +6 more.
MaySuccession plant lettuce and greens. Keep beds weeded and watered consistently.
JuneHarvest regularly to encourage production. Monitor for pests and disease.
JulyLast sowing dates: Butternut Squash (Jul 1), Pumpkin (Jul 1), Cantaloupe (Jul 9), Celery (Jul 9), Melons (Jul 9), Spaghetti Squash (Jul 11), +6 more.
AugustLast sowing dates: Sunflowers (Aug 7), Brussel Sprouts (Aug 12), Pole Beans (Aug 12), Basil (Aug 17), Cosmos (Aug 17), Cucumber (Aug 17), +10 more.
SeptemberLast sowing dates: Peas (Sep 2), Cabbage (Sep 11), Carrots (Sep 11), Beets (Sep 12), Dill (Sep 12), Swiss Chard (Sep 12), +8 more.
OctoberLast sowing dates: Turnip (Oct 1), Arugula (Oct 11), Spinach (Oct 11), Radish (Oct 12).
NovemberDirect sow from: Garlic (Nov 13). First frost around November 13.
DecemberStart indoors: Chives (Dec 27), Lavender (Dec 27), Onion (Dec 27), Rosemary (Dec 27). Last sowing dates: Garlic (Dec 4).

Frequently Asked Questions

What is the last frost date for Rockwall, TX (ZIP 75087)?

The median last spring frost date for Rockwall, TX (ZIP code 75087) is around March 21. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before March 3; one in ten it runs past April 8.

What is the first fall frost date in Rockwall, TX?

The median first fall frost date for Rockwall, TX is around November 13. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 27 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Rockwall, TX?

The frost-free growing season in Rockwall is about 237 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Rockwall (237 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Rockwall, TX?

Rockwall, TX is in USDA hardiness zone 8b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Rockwall, TX?

Start tomatoes indoors Feb 14 and plant out Apr 4 in Rockwall. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Rockwall?

Two: plant Feb 21 and again by Sep 22; both mature before Nov 20.

When do I plant garlic in Rockwall?

Nov 13 to Dec 4; it overwinters and is ready the following summer.

Can I get two tomato crops in Rockwall?

Yes: plant out Apr 4 for a summer crop, and set out a second round of transplants by Jul 14 for a fall crop.

Which nearby ZIP has a longer season?

Rowlett (ZIP 75089) has 244 frost-free days, 7 more than Rockwall (ZIP 75087). See Rowlett ZIP 75089 frost dates

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