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Muncie, IN Planting Calendar & Frost Dates

USDA hardiness zone 6a · ZIP 47302 · elevation 286′ · NOAA & USDA data

Muncie is in USDA hardiness zone 6a (winters can dip to -10 to -5°F), with a growing season of about 190 days between the average last spring frost (April 16) and first fall frost (October 25). The warmest month is July (avg high 85.8°F); the coldest is January (avg low 21.3°F). It averages 40.3″ of precipitation a year. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone
6a
min temp -10 to -5°F
Last spring frost
April 16
avg (50% prob, 32°F)
First fall frost
October 25
avg (50% prob, 32°F)
Growing season
190 days
frost-free window
Warmest month
July
avg high 85.8°F

Month-by-month typical weather in Muncie

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Muncie Delaware Co Ap, IN (7.3 mi away). Temperatures °F, precipitation & snow in inches.

MonthAvg highAvg lowMeanPrecip (in)Snow (in)
January 36 21.3 28.6 2.5
February 39.9 23.9 31.9 2.3
March 50.9 32.5 41.7 3.1
April 64.1 43 53.5 3.9
May 74.6 54.2 64.4 4.4
June 83 63.6 73.3 4.8
July 85.8 66.3 76 4.1
August 84.1 63.4 73.7 3.4
September 78.8 55.7 67.2 3.1
October 66.3 45.4 55.8 3
November 52.3 35.6 43.9 3.2
December 40.7 26.9 33.8 2.6

What to plant when in Muncie

CropSeasonWhat to do & when
TomatoeswarmStart seeds indoors: March 5 · Transplant out: April 23
PepperswarmStart seeds indoors: February 19 · Transplant out: April 30
CucumberswarmDirect sow: April 23
Zucchini / squashwarmDirect sow: April 23
Bush beanswarmDirect sow: April 23
Sweet cornwarmDirect sow: April 23
BasilwarmTransplant out: April 23
PeascoolSow (spring): March 12 · Sow (fall): August 30
SpinachcoolSow (spring): March 5 · Sow (fall): August 30
LettucecoolSow (spring): March 19 · Sow (fall): August 30
KalecoolTransplant (spring): March 26 · Sow (fall): August 16
BroccolicoolTransplant (spring): April 2
CarrotscoolSow (spring): March 26 · Sow (fall): August 16
OnionscoolTransplant (spring): March 19
PotatoescoolPlant seed potatoes: April 2
RadishescoolSow (spring): March 19 · Sow (fall): September 13

Dates are computed from Muncie's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Indiana

Anderson, INNoblesville, INFishers, INCarmel, INIndianapolis, INKokomo, INGreenwood, INFort Wayne, IN

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Muncie Delaware Co Ap, IN, 7.3 mi (confidence: high). Monthly weather normals: Muncie Delaware Co Ap, IN, 7.3 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.