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Free planting calendar for 41,195 US ZIP codes

Know exactly when to plant in your garden

Enter a ZIP code. We read your nearest NOAA weather station's frost record and apply university extension planting rules to it. Every date says where it came from.

Five digits. The calendar is computed on your device.

  • 6,769 NOAA stations
  • 12 extension services
  • No sign-up, runs on your device
Photo: Karen F / Pexels
5aHardiness zoneZIP 55401, MN
Last spring frostApr 2310% risk until May 7
Tomatoes · Transplant outdoorsMay 7
Example for ZIP 55401, from NOAA station Lower St Anthony Falls, MN.

Your season at a glance

Green bars are planting windows, gold is harvest, the red line is today.

  1. Tomatoes
  2. Peppers
  3. Lettuce
  4. Peas
  5. Carrots
  6. Garlic
  • Start indoors
  • Plant outdoors
  • Expected harvest
  • Latest planting date
  • Frost-free season (median)
  • Spring frost risk (90% to 10%)
  • Fall frost risk (10% to 90%)
Example: ZIP 55401, Minneapolis, 2027 season, computed from NOAA station USC00214884 (2 km away). Your own ZIP replaces it.

Pick a crop

All crops
TomatoesFruiting · 8 rulesPeppersFruiting · 6 rulesCucumbersSquash family · 8 rulesZucchiniSquash family · 8 rulesBeansLegume · 9 rulesPeasLegume · 9 rulesLettuceLeafy · 9 rulesCarrotsRoot · 8 rulesOnionsBulb · 9 rulesGarlicBulb · 6 rulesPotatoesTuber · 6 rulesBasilHerb · 5 rules

Planting rules from 12 extension services, including Colorado State University Extension, Utah State University Extension, Oregon State University Extension Service, Texas AgriLife Extension Service, The Texas A&M System.

A zone is not a frost date

Hardiness zones describe the coldest night of an average winter. They tell you which perennials survive. They do not tell you when your last spring frost comes, and two gardens in the same zone can be weeks apart.

Each row shows the spread inside one zone, from the frost records matched to every ZIP. That is why the calendar starts from your weather station.

Browse zones
  1. 5aApr 26 – May 20last frost, 2,089 ZIPs24days apart
  2. 5bApr 21 – May 17last frost, 2,445 ZIPs26days apart
  3. 6aApr 16 – May 10last frost, 4,375 ZIPs24days apart
  4. 6bApr 10 – May 3last frost, 4,372 ZIPs23days apart
  5. 7aApr 4 – Apr 28last frost, 3,807 ZIPs24days apart
  6. 7bMar 30 – Apr 17last frost, 2,958 ZIPs18days apart
  7. 8aMar 20 – Apr 7last frost, 2,528 ZIPs18days apart
  8. 8bMar 6 – Apr 1last frost, 2,535 ZIPs26days apart

How each date is made

  1. 1

    Your ZIP is located

    Matched to the nearest NOAA station with frost records. You see the distance, the height difference and how much to trust the match.

  2. 2

    Frost dates are read

    The station's record gives the median last spring and first fall frost, plus the dates with only a 10% risk.

  3. 3

    A rule is applied

    Such as "transplant two weeks after the last frost". We use a rule written for your state when one exists, and say so when we borrow one.

  4. 4

    No guessing

    Where no source covers your climate, frost-free coasts or mountains with frost in every month, the calendar tells you instead.