Bield:Farm
State agricultural overview

Indiana crop calendar.

Zone 6aRange 5b to 6b165-day seasonLast frost May 1First frost October 10

17 primary crops with planting windows for Indiana. Calendar timing is anchored to 6a dominant hardiness zone and a 165-day growing season — verify against Purdue Extension for variety- and county-specific guidance.

Row Crop · Indiana

Vegetables · Indiana

  • Cucumbers
    primary
    Spring: May 15 June 19
  • Peppers
    primary
    Spring: May 22 June 12
  • Potatoes
    primary
    Spring: April 17 May 8
    Fall: July 27 August 11
  • Pumpkins
    primary
    Spring: May 22 June 19
  • Sweet Corn
    primary
    Spring: May 1 June 5
  • Tomatoes
    primary
    Spring: May 15 June 5

Forages · Indiana

  • Alfalfa
    primary
    Spring: April 24 May 22
    Fall: August 11 August 26
  • Clover
    primary
    Spring: April 10 May 8
    Fall: August 11 August 26

Cover Crops · Indiana

  • Brassicas
    primary
    Fall: July 27 August 11
  • Buckwheat
    primary
    Spring: June 26 July 24
  • Cereal Oats
    primary
    Spring: April 24 May 22
    Fall: August 11 August 26
  • Winter Rye
    primary
    Fall: October 3 October 24

Frost-date reference — Indiana

Last frost (spring)
May 1
First frost (fall)
October 10
Growing season
165 days
Hardiness zone
6a

Frost dates are NOAA / NCDC climate normals — county-level variation can shift these by 2–4 weeks. The Indiana extension service publishes county-specific frost data: Purdue Extension.

Indiana soil-temp alerts.

Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears the threshold for your target.