Frost Dates for Athens, TN 37303

Last spring frost April 14 · First fall frost October 24 · 193 frost-free days · USDA Zone 7b

ZIP 37303 has about 25,700 people.

Long season: 193 frost-free days. Spring frost risk spans April 1–April 27 (26 days). Fall frost risk spans October 11–November 6 (26 days).

Frost probability for 37303

Frost10%50%90%
Spring (last frost)April 27April 14April 1
Fall (first frost)October 11October 24November 6

Dates come from NOAA 1971–2000 freeze probabilities at CLEVELAND FLTR PLT (28.2 km away); the 50% date is the median year.

Which crops fit a 193-day season in Athens

In Athens (193 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
TomatoMar 10Apr 28–May 5151fits: 80 days to maturity, 151 available after Apr 28.Jun 24
PepperMar 3Apr 28–May 5151fits: 75 days to maturity, 151 available after Apr 28.Jun 29
LettuceFeb 17Mar 17–Mar 24228two-plantings: Plant Mar 17 and again by Sep 2; both mature before Oct 31.Sep 2
Carrots—Mar 24–Mar 31235fits: 70 days to maturity, 235 available after Mar 24.Aug 22
CucumberMar 24Apr 28–May 5165two-plantings: Plant Apr 28 and again by Jul 28; both mature before Oct 10.Jul 28
Beans—Apr 21–May 5179two-plantings: Plant Apr 21 and again by Aug 4; both mature before Oct 17.Aug 4
Peas—Feb 17–Apr 28256fits: 65 days to maturity, 256 available after Feb 17.Aug 13
ZucchiniMar 31Apr 28–May 5165two-plantings: Plant Apr 28 and again by Aug 2; both mature before Oct 10.Aug 2
OnionJan 20Mar 17–Mar 31228fits: 100 days to maturity, 228 available after Mar 17.—
Spinach—Feb 17–Apr 7270two-plantings: Plant Feb 17 and again by Sep 21; both mature before Nov 14.Sep 21
KaleFeb 3Mar 17–Mar 31242two-plantings: Plant Mar 17 and again by Sep 6; both mature before Nov 14.Sep 6
BroccoliFeb 17Mar 17–Mar 31228fits: 80 days to maturity, 228 available after Mar 17.Jul 29
CabbageFeb 17Mar 17–Mar 31242fits: 70 days to maturity, 242 available after Mar 17.Aug 22
Radish—Feb 17–May 12256two-plantings: Plant Feb 17 and again by Sep 22; both mature before Oct 31.Sep 22
Beets—Feb 17–May 12256two-plantings: Plant Feb 17 and again by Aug 23; both mature before Oct 31.Aug 23
Potatoes—Mar 31–Apr 7214fits: 90 days to maturity, 214 available after Mar 31.—
Garlic—Oct 24298overwinter: Plant Oct 24 to Nov 14; harvest the following summer.Nov 14
Strawberry—Mar 10–May 5249perennial: A perennial: plant Mar 10; it fruits from the following year and keeps producing for several years.—
CornMar 17Apr 21–Apr 28165fits: 75 days to maturity, 165 available after Apr 21.Jul 6
PumpkinMar 31Apr 28–Apr 28158fits: 100 days to maturity, 158 available after Apr 28.Jun 11
CauliflowerMar 3Apr 7–Apr 21207fits: 75 days to maturity, 207 available after Apr 7.Aug 3
Swiss ChardFeb 17Mar 31–Mar 31214two-plantings: Plant Mar 31 and again by Aug 23; both mature before Oct 31.Aug 23
Arugula—Feb 17–May 12270two-plantings: Plant Feb 17 and again by Sep 21; both mature before Nov 14.Sep 21
Brussel SproutsFeb 17Mar 17–Mar 31242fits: 100 days to maturity, 242 available after Mar 17.Jul 23
Butternut SquashMar 31Apr 28–May 5158fits: 100 days to maturity, 158 available after Apr 28.Jun 11
EggplantFeb 24Apr 28–May 5151fits: 70 days to maturity, 151 available after Apr 28.Jul 4
OkraMar 17Apr 21–Apr 28172two-plantings: Plant Apr 21 and again by Aug 2; both mature before Oct 10.Aug 2
BasilMar 10May 5–May 5158two-plantings: Plant May 5 and again by Jul 28; both mature before Oct 10.Jul 28
Cilantro—Mar 17–Apr 7228two-plantings: Plant Mar 17 and again by Aug 28; both mature before Oct 31.Aug 28
ParsleyFeb 3Apr 21–Apr 28193fits: 70 days to maturity, 193 available after Apr 21.Aug 8
CeleryFeb 3Apr 21–May 5193fits: 120 days to maturity, 193 available after Apr 21.Jun 19
ScallionsFeb 3Mar 17–Mar 31242two-plantings: Plant Mar 17 and again by Sep 1; both mature before Nov 14.Sep 1
Turnip—Mar 17–Mar 31242two-plantings: Plant Mar 17 and again by Sep 11; both mature before Nov 14.Sep 11
Kohlrabi—Mar 3–Mar 17256two-plantings: Plant Mar 3 and again by Sep 6; both mature before Nov 14.Sep 6
Bok ChoyMar 17Apr 7–Apr 14207two-plantings: Plant Apr 7 and again by Sep 2; both mature before Oct 31.Sep 2
CollardsFeb 3Mar 17–Mar 31242two-plantings: Plant Mar 17 and again by Sep 1; both mature before Nov 14.Sep 1
CantaloupeMar 31Apr 28–May 5151fits: 85 days to maturity, 151 available after Apr 28.Jun 19
ChivesJan 20Apr 21–Apr 28207fits: 90 days to maturity, 207 available after Apr 21.—
Dill—Feb 17–May 12256two-plantings: Plant Feb 17 and again by Aug 23; both mature before Oct 31.Aug 23
OreganoFeb 3Apr 21–Apr 28207fits: 80 days to maturity, 207 available after Apr 21.—
RosemaryJan 20Apr 21–Apr 28193fits: 80 days to maturity, 193 available after Apr 21.—
SageFeb 17Apr 21–Apr 28207fits: 75 days to maturity, 207 available after Apr 21.—
ThymeFeb 3Apr 21–Apr 28207fits: 90 days to maturity, 207 available after Apr 21.—
CalendulaMar 3Mar 31–Apr 14214two-plantings: Plant Mar 31 and again by Aug 28; both mature before Oct 31.Aug 28
CosmosMar 17Apr 14–Apr 28179two-plantings: Plant Apr 14 and again by Jul 28; both mature before Oct 10.Jul 28
LavenderJan 20Apr 14–Apr 28214fits: 90 days to maturity, 214 available after Apr 14.—
MarigoldsMar 3Apr 14–Apr 21179two-plantings: Plant Apr 14 and again by Aug 7; both mature before Oct 10.Aug 7
MelonsMar 31Apr 28–May 5151fits: 85 days to maturity, 151 available after Apr 28.Jun 19
Mint—Apr 14–Apr 28214fits: 90 days to maturity, 214 available after Apr 14.—
NasturtiumsMar 17Apr 14–Apr 21179two-plantings: Plant Apr 14 and again by Aug 2; both mature before Oct 10.Aug 2
Pole Beans—Apr 21–May 5172fits: 65 days to maturity, 172 available after Apr 21.Jul 23
Spaghetti SquashMar 31Apr 28–May 5158fits: 90 days to maturity, 158 available after Apr 28.Jun 21
Sunflowers—Apr 14–Apr 28179fits: 70 days to maturity, 179 available after Apr 14.Jul 18
TomatillosFeb 17Apr 21–Apr 28158fits: 75 days to maturity, 158 available after Apr 21.Jun 29
WatermelonMar 31Apr 21–Apr 28158fits: 80 days to maturity, 158 available after Apr 21.Jun 24
Yellow SquashMar 31Apr 28–May 5165two-plantings: Plant Apr 28 and again by Aug 2; both mature before Oct 10.Aug 2
ZinniasMar 17Apr 14–Apr 28179two-plantings: Plant Apr 14 and again by Jul 28; both mature before Oct 10.Jul 28

Month by month in Athens

MonthWhat to do
JanuaryStart indoors: Chives (Jan 20), Lavender (Jan 20), Onion (Jan 20), Rosemary (Jan 20).
FebruaryStart indoors: Celery (Feb 3), Collards (Feb 3), Kale (Feb 3), Oregano (Feb 3), Parsley (Feb 3), Scallions (Feb 3), +9 more. Direct sow from: Arugula (Feb 17), Beets (Feb 17), Dill (Feb 17), Peas (Feb 17), Radish (Feb 17), Spinach (Feb 17).
MarchStart indoors: Calendula (Mar 3), Cauliflower (Mar 3), Marigolds (Mar 3), Pepper (Mar 3), Basil (Mar 10), Tomato (Mar 10), +15 more. Direct sow from: Kohlrabi (Mar 3), Cilantro (Mar 17), Turnip (Mar 17), Carrots (Mar 24), Potatoes (Mar 31). Transplant from: Broccoli (Mar 17), Brussel Sprouts (Mar 17), Cabbage (Mar 17), Collards (Mar 17), Kale (Mar 17), Lettuce (Mar 17), +4 more. Plant: Strawberry (Mar 10).
AprilDirect sow from: Sunflowers (Apr 14), Beans (Apr 21), Pole Beans (Apr 21). Transplant from: Bok Choy (Apr 7), Cauliflower (Apr 7), Cosmos (Apr 14), Lavender (Apr 14), Marigolds (Apr 14), Mint (Apr 14), +24 more. Last frost around April 14.
MayTransplant from: Basil (May 5).
JuneLast sowing dates: Butternut Squash (Jun 11), Pumpkin (Jun 11), Cantaloupe (Jun 19), Celery (Jun 19), Melons (Jun 19), Spaghetti Squash (Jun 21), +4 more.
JulyLast sowing dates: Eggplant (Jul 4), Corn (Jul 6), Sunflowers (Jul 18), Brussel Sprouts (Jul 23), Pole Beans (Jul 23), Basil (Jul 28), +4 more.
AugustLast sowing dates: Nasturtiums (Aug 2), Okra (Aug 2), Yellow Squash (Aug 2), Zucchini (Aug 2), Cauliflower (Aug 3), Beans (Aug 4), +10 more.
SeptemberLast sowing dates: Collards (Sep 1), Scallions (Sep 1), Bok Choy (Sep 2), Lettuce (Sep 2), Kale (Sep 6), Kohlrabi (Sep 6), +4 more.
OctoberDirect sow from: Garlic (Oct 24). First frost around October 24.
NovemberLast sowing dates: Garlic (Nov 14).
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

Frequently Asked Questions

What is the last frost date for Athens, TN (ZIP 37303)?

The median last spring frost date for Athens, TN (ZIP code 37303) is around April 14. 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 April 1; one in ten it runs past April 27.

What is the first fall frost date in Athens, TN?

The median first fall frost date for Athens, TN is around October 24. 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 11 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Athens, TN?

The frost-free growing season in Athens is about 193 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 Athens (193 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 Athens, TN?

Athens, TN 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 Athens, TN?

Start tomatoes indoors Mar 10 and plant out Apr 28 in Athens. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Athens?

Two: plant Mar 17 and again by Sep 2; both mature before Oct 31.

When do I plant garlic in Athens?

Oct 24 to Nov 14; it overwinters and is ready the following summer.

Can I get two tomato crops in Athens?

Yes: plant out Apr 28 for a summer crop, and set out a second round of transplants by Jun 24 for a fall crop.

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