Frost Dates for Lexington, OK 73051

Last spring frost April 2 · First fall frost November 1 · 213 frost-free days · USDA Zone 7b

ZIP 73051 has about 10,300 people.

Long season: 213 frost-free days. Spring frost risk spans March 19–April 16 (28 days). Fall frost risk spans October 15–November 18 (34 days).

Frost probability for 73051

Frost10%50%90%
Spring (last frost)April 16April 2March 19
Fall (first frost)October 15November 1November 18

Dates come from NOAA 1971–2000 freeze probabilities at NORMAN 3SSE (24.0 km away); the 50% date is the median year.

Which crops fit a 213-day season in Lexington

In Lexington (213 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 26Apr 16–Apr 23171fits: 80 days to maturity, 171 available after Apr 16.Jul 2
PepperFeb 19Apr 16–Apr 23171fits: 75 days to maturity, 171 available after Apr 16.Jul 7
LettuceFeb 5Mar 5–Mar 12248two-plantings: Plant Mar 5 and again by Sep 10; both mature before Nov 8.Sep 10
Carrots—Mar 12–Mar 19255fits: 70 days to maturity, 255 available after Mar 12.Aug 30
CucumberMar 12Apr 16–Apr 23185two-plantings: Plant Apr 16 and again by Aug 5; both mature before Oct 18.Aug 5
Beans—Apr 9–Apr 23199two-plantings: Plant Apr 9 and again by Aug 12; both mature before Oct 25.Aug 12
Peas—Feb 5–Apr 16276fits: 65 days to maturity, 276 available after Feb 5.Aug 21
ZucchiniMar 19Apr 16–Apr 23185two-plantings: Plant Apr 16 and again by Aug 10; both mature before Oct 18.Aug 10
OnionJan 8Mar 5–Mar 19248fits: 100 days to maturity, 248 available after Mar 5.—
Spinach—Feb 5–Mar 26290two-plantings: Plant Feb 5 and again by Sep 29; both mature before Nov 22.Sep 29
KaleJan 22Mar 5–Mar 19262two-plantings: Plant Mar 5 and again by Sep 14; both mature before Nov 22.Sep 14
BroccoliFeb 5Mar 5–Mar 19248fits: 80 days to maturity, 248 available after Mar 5.Aug 6
CabbageFeb 5Mar 5–Mar 19262fits: 70 days to maturity, 262 available after Mar 5.Aug 30
Radish—Feb 5–Apr 30276two-plantings: Plant Feb 5 and again by Sep 30; both mature before Nov 8.Sep 30
Beets—Feb 5–Apr 30276two-plantings: Plant Feb 5 and again by Aug 31; both mature before Nov 8.Aug 31
Potatoes—Mar 19–Mar 26234fits: 90 days to maturity, 234 available after Mar 19.—
Garlic—Nov 1318overwinter: Plant Nov 1 to Nov 22; harvest the following summer.Nov 22
Strawberry—Feb 26–Apr 23269perennial: A perennial: plant Feb 26; it fruits from the following year and keeps producing for several years.—
CornMar 5Apr 9–Apr 16185fits: 75 days to maturity, 185 available after Apr 9.Jul 14
PumpkinMar 19Apr 16–Apr 16178fits: 100 days to maturity, 178 available after Apr 16.Jun 19
CauliflowerFeb 19Mar 26–Apr 9227fits: 75 days to maturity, 227 available after Mar 26.Aug 11
Swiss ChardFeb 5Mar 19–Mar 19234two-plantings: Plant Mar 19 and again by Aug 31; both mature before Nov 8.Aug 31
Arugula—Feb 5–Apr 30290two-plantings: Plant Feb 5 and again by Sep 29; both mature before Nov 22.Sep 29
Brussel SproutsFeb 5Mar 5–Mar 19262fits: 100 days to maturity, 262 available after Mar 5.Jul 31
Butternut SquashMar 19Apr 16–Apr 23178fits: 100 days to maturity, 178 available after Apr 16.Jun 19
EggplantFeb 12Apr 16–Apr 23171fits: 70 days to maturity, 171 available after Apr 16.Jul 12
OkraMar 5Apr 9–Apr 16192two-plantings: Plant Apr 9 and again by Aug 10; both mature before Oct 18.Aug 10
BasilFeb 26Apr 23–Apr 23178two-plantings: Plant Apr 23 and again by Aug 5; both mature before Oct 18.Aug 5
Cilantro—Mar 5–Mar 26248two-plantings: Plant Mar 5 and again by Sep 5; both mature before Nov 8.Sep 5
ParsleyJan 22Apr 9–Apr 16213fits: 70 days to maturity, 213 available after Apr 9.Aug 16
CeleryJan 22Apr 9–Apr 23213fits: 120 days to maturity, 213 available after Apr 9.Jun 27
ScallionsJan 22Mar 5–Mar 19262two-plantings: Plant Mar 5 and again by Sep 9; both mature before Nov 22.Sep 9
Turnip—Mar 5–Mar 19262two-plantings: Plant Mar 5 and again by Sep 19; both mature before Nov 22.Sep 19
Kohlrabi—Feb 19–Mar 5276two-plantings: Plant Feb 19 and again by Sep 14; both mature before Nov 22.Sep 14
Bok ChoyMar 5Mar 26–Apr 2227two-plantings: Plant Mar 26 and again by Sep 10; both mature before Nov 8.Sep 10
CollardsJan 22Mar 5–Mar 19262two-plantings: Plant Mar 5 and again by Sep 9; both mature before Nov 22.Sep 9
CantaloupeMar 19Apr 16–Apr 23171fits: 85 days to maturity, 171 available after Apr 16.Jun 27
ChivesJan 8Apr 9–Apr 16227fits: 90 days to maturity, 227 available after Apr 9.—
Dill—Feb 5–Apr 30276two-plantings: Plant Feb 5 and again by Aug 31; both mature before Nov 8.Aug 31
OreganoJan 22Apr 9–Apr 16227fits: 80 days to maturity, 227 available after Apr 9.—
RosemaryJan 8Apr 9–Apr 16213fits: 80 days to maturity, 213 available after Apr 9.—
SageFeb 5Apr 9–Apr 16227fits: 75 days to maturity, 227 available after Apr 9.—
ThymeJan 22Apr 9–Apr 16227fits: 90 days to maturity, 227 available after Apr 9.—
CalendulaFeb 19Mar 19–Apr 2234two-plantings: Plant Mar 19 and again by Sep 5; both mature before Nov 8.Sep 5
CosmosMar 5Apr 2–Apr 16199two-plantings: Plant Apr 2 and again by Aug 5; both mature before Oct 18.Aug 5
LavenderJan 8Apr 2–Apr 16234fits: 90 days to maturity, 234 available after Apr 2.—
MarigoldsFeb 19Apr 2–Apr 9199two-plantings: Plant Apr 2 and again by Aug 15; both mature before Oct 18.Aug 15
MelonsMar 19Apr 16–Apr 23171fits: 85 days to maturity, 171 available after Apr 16.Jun 27
Mint—Apr 2–Apr 16234fits: 90 days to maturity, 234 available after Apr 2.—
NasturtiumsMar 5Apr 2–Apr 9199two-plantings: Plant Apr 2 and again by Aug 10; both mature before Oct 18.Aug 10
Pole Beans—Apr 9–Apr 23192fits: 65 days to maturity, 192 available after Apr 9.Jul 31
Spaghetti SquashMar 19Apr 16–Apr 23178fits: 90 days to maturity, 178 available after Apr 16.Jun 29
Sunflowers—Apr 2–Apr 16199fits: 70 days to maturity, 199 available after Apr 2.Jul 26
TomatillosFeb 5Apr 9–Apr 16178fits: 75 days to maturity, 178 available after Apr 9.Jul 7
WatermelonMar 19Apr 9–Apr 16178fits: 80 days to maturity, 178 available after Apr 9.Jul 2
Yellow SquashMar 19Apr 16–Apr 23185two-plantings: Plant Apr 16 and again by Aug 10; both mature before Oct 18.Aug 10
ZinniasMar 5Apr 2–Apr 16199two-plantings: Plant Apr 2 and again by Aug 5; both mature before Oct 18.Aug 5

Month by month in Lexington

MonthWhat to do
JanuaryStart indoors: Chives (Jan 8), Lavender (Jan 8), Onion (Jan 8), Rosemary (Jan 8), Celery (Jan 22), Collards (Jan 22), +5 more.
FebruaryStart indoors: Broccoli (Feb 5), Brussel Sprouts (Feb 5), Cabbage (Feb 5), Lettuce (Feb 5), Sage (Feb 5), Swiss Chard (Feb 5), +8 more. Direct sow from: Arugula (Feb 5), Beets (Feb 5), Dill (Feb 5), Peas (Feb 5), Radish (Feb 5), Spinach (Feb 5), +1 more. Plant: Strawberry (Feb 26).
MarchStart indoors: Bok Choy (Mar 5), Corn (Mar 5), Cosmos (Mar 5), Nasturtiums (Mar 5), Okra (Mar 5), Zinnias (Mar 5), +9 more. Direct sow from: Cilantro (Mar 5), Turnip (Mar 5), Carrots (Mar 12), Potatoes (Mar 19). Transplant from: Broccoli (Mar 5), Brussel Sprouts (Mar 5), Cabbage (Mar 5), Collards (Mar 5), Kale (Mar 5), Lettuce (Mar 5), +6 more.
AprilDirect sow from: Sunflowers (Apr 2), Beans (Apr 9), Pole Beans (Apr 9). Transplant from: Cosmos (Apr 2), Lavender (Apr 2), Marigolds (Apr 2), Mint (Apr 2), Nasturtiums (Apr 2), Zinnias (Apr 2), +23 more. Last frost around April 2.
MayFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
JuneLast sowing dates: Butternut Squash (Jun 19), Pumpkin (Jun 19), Cantaloupe (Jun 27), Celery (Jun 27), Melons (Jun 27), Spaghetti Squash (Jun 29).
JulyLast sowing dates: Tomato (Jul 2), Watermelon (Jul 2), Pepper (Jul 7), Tomatillos (Jul 7), Eggplant (Jul 12), Corn (Jul 14), +3 more.
AugustLast sowing dates: Basil (Aug 5), Cosmos (Aug 5), Cucumber (Aug 5), Zinnias (Aug 5), Broccoli (Aug 6), Nasturtiums (Aug 10), +13 more.
SeptemberLast sowing dates: Calendula (Sep 5), Cilantro (Sep 5), Collards (Sep 9), Scallions (Sep 9), Bok Choy (Sep 10), Lettuce (Sep 10), +6 more.
OctoberFirst fall frost approaching (around November 1). Transplant fall brassicas. Sow spinach, arugula, and radishes.
NovemberDirect sow from: Garlic (Nov 1). First frost around November 1. Last sowing dates: Garlic (Nov 22).
DecemberHarvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year.

Frequently Asked Questions

What is the last frost date for Lexington, OK (ZIP 73051)?

The median last spring frost date for Lexington, OK (ZIP code 73051) is around April 2. 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 19; one in ten it runs past April 16.

What is the first fall frost date in Lexington, OK?

The median first fall frost date for Lexington, OK is around November 1. 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 15 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Lexington, OK?

The frost-free growing season in Lexington is about 213 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 Lexington (213 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 Lexington, OK?

Lexington, OK is in USDA hardiness zone 7b (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 Lexington, OK?

Start tomatoes indoors Feb 26 and plant out Apr 16 in Lexington. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Lexington?

Two: plant Mar 5 and again by Sep 10; both mature before Nov 8.

When do I plant garlic in Lexington?

Nov 1 to Nov 22; it overwinters and is ready the following summer.

Can I get two tomato crops in Lexington?

Yes: plant out Apr 16 for a summer crop, and set out a second round of transplants by Jul 2 for a fall crop.

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