Frost Dates for Lafayette, IN 47905

Lafayette has 4 ZIP codes. The Lafayette, IN frost page lists all of them with their dates.

Last spring frost April 29 · First fall frost October 8 · 162 frost-free days · USDA Zone 6a

ZIP 47905 has about 42,200 people, one of 4 ZIP codes in Lafayette.

Moderate season: 162 frost-free days. Spring frost risk spans April 14–May 14 (30 days). Fall frost risk spans September 25–October 20 (25 days).

Frost probability for 47905

Frost10%50%90%
Spring (last frost)May 14April 29April 14
Fall (first frost)September 25October 8October 20

Dates come from NOAA 1971–2000 freeze probabilities at LAFAYETTE 8 S (18.2 km away); the 50% date is the median year.

Which crops fit a 162-day season in Lafayette

In Lafayette (162 frost-free days, a moderate season), 31 of 56 planner crops fit outright, 24 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoMar 25May 13–May 20120fits: 80 days to maturity, 120 available after May 13.Jun 8
PepperMar 18May 13–May 20120fits: 75 days to maturity, 120 available after May 13.Jun 13
LettuceMar 4Apr 1–Apr 8197two-plantings: Plant Apr 1 and again by Aug 17; both mature before Oct 15.Aug 17
Carrots—Apr 8–Apr 15204fits: 70 days to maturity, 204 available after Apr 8.Aug 6
CucumberApr 8May 13–May 20134two-plantings: Plant May 13 and again by Jul 12; both mature before Sep 24.Jul 12
Beans—May 6–May 20148two-plantings: Plant May 6 and again by Jul 19; both mature before Oct 1.Jul 19
Peas—Mar 4–May 13225fits: 65 days to maturity, 225 available after Mar 4.Jul 28
ZucchiniApr 15May 13–May 20134two-plantings: Plant May 13 and again by Jul 17; both mature before Sep 24.Jul 17
OnionFeb 4Apr 1–Apr 15197fits: 100 days to maturity, 197 available after Apr 1.—
Spinach—Mar 4–Apr 22239two-plantings: Plant Mar 4 and again by Sep 5; both mature before Oct 29.Sep 5
KaleFeb 18Apr 1–Apr 15211two-plantings: Plant Apr 1 and again by Aug 21; both mature before Oct 29.Aug 21
BroccoliMar 4Apr 1–Apr 15197fits: 80 days to maturity, 197 available after Apr 1.Jul 13
CabbageMar 4Apr 1–Apr 15211fits: 70 days to maturity, 211 available after Apr 1.Aug 6
Radish—Mar 4–May 27225two-plantings: Plant Mar 4 and again by Sep 6; both mature before Oct 15.Sep 6
Beets—Mar 4–May 27225two-plantings: Plant Mar 4 and again by Aug 7; both mature before Oct 15.Aug 7
Potatoes—Apr 15–Apr 22183fits: 90 days to maturity, 183 available after Apr 15.—
Garlic—Oct 8267overwinter: Plant Oct 8 to Oct 29; harvest the following summer.Oct 29
Strawberry—Mar 25–May 20218perennial: A perennial: plant Mar 25; it fruits from the following year and keeps producing for several years.—
CornApr 1May 6–May 13134fits: 75 days to maturity, 134 available after May 6.Jun 20
PumpkinApr 15May 13–May 13127fits: 100 days to maturity, 127 available after May 13.May 26
CauliflowerMar 18Apr 22–May 6176fits: 75 days to maturity, 176 available after Apr 22.Jul 18
Swiss ChardMar 4Apr 15–Apr 15183two-plantings: Plant Apr 15 and again by Aug 7; both mature before Oct 15.Aug 7
Arugula—Mar 4–May 27239two-plantings: Plant Mar 4 and again by Sep 5; both mature before Oct 29.Sep 5
Brussel SproutsMar 4Apr 1–Apr 15211fits: 100 days to maturity, 211 available after Apr 1.Jul 7
Butternut SquashApr 15May 13–May 20127fits: 100 days to maturity, 127 available after May 13.May 26
EggplantMar 11May 13–May 20120fits: 70 days to maturity, 120 available after May 13.Jun 18
OkraApr 1May 6–May 13141two-plantings: Plant May 6 and again by Jul 17; both mature before Sep 24.Jul 17
BasilMar 25May 20–May 20127fits: 60 days to maturity, 127 available after May 20.Jul 12
Cilantro—Apr 1–Apr 22197two-plantings: Plant Apr 1 and again by Aug 12; both mature before Oct 15.Aug 12
ParsleyFeb 18May 6–May 13162fits: 70 days to maturity, 162 available after May 6.Jul 23
CeleryFeb 18May 6–May 20162fits: 120 days to maturity, 162 available after May 6.Jun 3
ScallionsFeb 18Apr 1–Apr 15211two-plantings: Plant Apr 1 and again by Aug 16; both mature before Oct 29.Aug 16
Turnip—Apr 1–Apr 15211two-plantings: Plant Apr 1 and again by Aug 26; both mature before Oct 29.Aug 26
Kohlrabi—Mar 18–Apr 1225two-plantings: Plant Mar 18 and again by Aug 21; both mature before Oct 29.Aug 21
Bok ChoyApr 1Apr 22–Apr 29176two-plantings: Plant Apr 22 and again by Aug 17; both mature before Oct 15.Aug 17
CollardsFeb 18Apr 1–Apr 15211two-plantings: Plant Apr 1 and again by Aug 16; both mature before Oct 29.Aug 16
CantaloupeApr 15May 13–May 20120fits: 85 days to maturity, 120 available after May 13.Jun 3
ChivesFeb 4May 6–May 13176fits: 90 days to maturity, 176 available after May 6.—
Dill—Mar 4–May 27225two-plantings: Plant Mar 4 and again by Aug 7; both mature before Oct 15.Aug 7
OreganoFeb 18May 6–May 13176fits: 80 days to maturity, 176 available after May 6.—
RosemaryFeb 4May 6–May 13162fits: 80 days to maturity, 162 available after May 6.—
SageMar 4May 6–May 13176fits: 75 days to maturity, 176 available after May 6.—
ThymeFeb 18May 6–May 13176fits: 90 days to maturity, 176 available after May 6.—
CalendulaMar 18Apr 15–Apr 29183two-plantings: Plant Apr 15 and again by Aug 12; both mature before Oct 15.Aug 12
CosmosApr 1Apr 29–May 13148two-plantings: Plant Apr 29 and again by Jul 12; both mature before Sep 24.Jul 12
LavenderFeb 4Apr 29–May 13183fits: 90 days to maturity, 183 available after Apr 29.—
MarigoldsMar 18Apr 29–May 6148two-plantings: Plant Apr 29 and again by Jul 22; both mature before Sep 24.Jul 22
MelonsApr 15May 13–May 20120fits: 85 days to maturity, 120 available after May 13.Jun 3
Mint—Apr 29–May 13183fits: 90 days to maturity, 183 available after Apr 29.—
NasturtiumsApr 1Apr 29–May 6148two-plantings: Plant Apr 29 and again by Jul 17; both mature before Sep 24.Jul 17
Pole Beans—May 6–May 20141fits: 65 days to maturity, 141 available after May 6.Jul 7
Spaghetti SquashApr 15May 13–May 20127fits: 90 days to maturity, 127 available after May 13.Jun 5
Sunflowers—Apr 29–May 13148fits: 70 days to maturity, 148 available after Apr 29.Jul 2
TomatillosMar 4May 6–May 13127fits: 75 days to maturity, 127 available after May 6.Jun 13
WatermelonApr 15May 6–May 13127fits: 80 days to maturity, 127 available after May 6.Jun 8
Yellow SquashApr 15May 13–May 20134two-plantings: Plant May 13 and again by Jul 17; both mature before Sep 24.Jul 17
ZinniasApr 1Apr 29–May 13148two-plantings: Plant Apr 29 and again by Jul 12; both mature before Sep 24.Jul 12

Month by month in Lafayette

MonthWhat to do
JanuaryPlan your garden layout and order seeds. Research varieties suited to your frost dates.
FebruaryStart indoors: Chives (Feb 4), Lavender (Feb 4), Onion (Feb 4), Rosemary (Feb 4), Celery (Feb 18), Collards (Feb 18), +5 more.
MarchStart indoors: Broccoli (Mar 4), Brussel Sprouts (Mar 4), Cabbage (Mar 4), Lettuce (Mar 4), Sage (Mar 4), Swiss Chard (Mar 4), +8 more. Direct sow from: Arugula (Mar 4), Beets (Mar 4), Dill (Mar 4), Peas (Mar 4), Radish (Mar 4), Spinach (Mar 4), +1 more. Plant: Strawberry (Mar 25).
AprilStart indoors: Bok Choy (Apr 1), Corn (Apr 1), Cosmos (Apr 1), Nasturtiums (Apr 1), Okra (Apr 1), Zinnias (Apr 1), +9 more. Direct sow from: Cilantro (Apr 1), Turnip (Apr 1), Carrots (Apr 8), Potatoes (Apr 15), Sunflowers (Apr 29). Transplant from: Broccoli (Apr 1), Brussel Sprouts (Apr 1), Cabbage (Apr 1), Collards (Apr 1), Kale (Apr 1), Lettuce (Apr 1), +12 more. Last frost around April 29.
MayDirect sow from: Beans (May 6), Pole Beans (May 6). Transplant from: Celery (May 6), Chives (May 6), Corn (May 6), Okra (May 6), Oregano (May 6), Parsley (May 6), +17 more. Last sowing dates: Butternut Squash (May 26), Pumpkin (May 26).
JuneLast sowing dates: Cantaloupe (Jun 3), Celery (Jun 3), Melons (Jun 3), Spaghetti Squash (Jun 5), Tomato (Jun 8), Watermelon (Jun 8), +4 more.
JulyLast sowing dates: Sunflowers (Jul 2), Brussel Sprouts (Jul 7), Pole Beans (Jul 7), Basil (Jul 12), Cosmos (Jul 12), Cucumber (Jul 12), +11 more.
AugustLast sowing dates: Cabbage (Aug 6), Carrots (Aug 6), Beets (Aug 7), Dill (Aug 7), Swiss Chard (Aug 7), Calendula (Aug 12), +8 more.
SeptemberLast sowing dates: Arugula (Sep 5), Spinach (Sep 5), Radish (Sep 6).
OctoberDirect sow from: Garlic (Oct 8). First frost around October 8. Last sowing dates: Garlic (Oct 29).
NovemberHarvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year.
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 Lafayette, IN (ZIP 47905)?

The median last spring frost date for Lafayette, IN (ZIP code 47905) is around April 29. 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 14; one in ten it runs past May 14.

What is the first fall frost date in Lafayette, IN?

The median first fall frost date for Lafayette, IN is around October 8. 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 September 25 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Lafayette, IN?

The frost-free growing season in Lafayette is about 162 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 Lafayette (162 frost-free days, a moderate season), 31 of 56 planner crops fit outright, 24 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Lafayette, IN?

Lafayette, IN is in USDA hardiness zone 6a (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 Lafayette, IN?

Start tomatoes indoors Mar 25 and plant out May 13 in Lafayette. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Lafayette?

Two: plant Apr 1 and again by Aug 17; both mature before Oct 15.

When do I plant garlic in Lafayette?

Oct 8 to Oct 29; it overwinters and is ready the following summer.

Which nearby ZIP has a longer season?

Crawfordsville (ZIP 47933) has 174 frost-free days, 12 more than Lafayette (ZIP 47905). See Crawfordsville ZIP 47933 frost dates

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