FrostDateByZip

Frost dates for 61460Media, IL

The average last spring frost in Media is April 18 and the average first fall frost is October 20, giving a typical growing season of about 185 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 18

Safer after May 3 (1-in-10 risk)

Average first fall frost
Oct 20

Possible by Oct 6 (1-in-10 risk)

Growing season
185 days

Last frost typically in 170 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Apr 14 · Apr 30 · May 12Sep 26 · Oct 11 · Oct 23163 days100%
Frost / freeze (32°F)Apr 3 · Apr 18 · May 3Oct 6 · Oct 20 · Nov 2185 days100%
Hard freeze (28°F)Mar 23 · Apr 7 · Apr 23Oct 17 · Oct 31 · Nov 12205 days100%

Planting calendar for Media

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsMar 18 – May 24
TomatoesTransplant outdoorsMay 4 – Jun 30
PeppersStart seeds indoorsMar 18 – Apr 18
PeppersTransplant outdoorsMay 18 – Jun 18
EggplantStart seeds indoorsApr 4 – May 3
EggplantTransplant outdoorsMay 18 – Jun 18
CucumbersSow outdoorsMay 18 – Jul 10
Summer squashSow outdoorsMay 4 – Jun 18
Winter squash & pumpkinsSow outdoorsMay 18 – Jun 18
Snap beansSow outdoorsMay 4 – Aug 2
Sweet cornSow outdoorsMay 4 – Jun 30
Watermelon & cantaloupeSow outdoorsMay 18 – Jun 18
OkraSow outdoorsMay 11 – Jun 3
PeasSow outdoors (spring)Mar 18 – May 3
PotatoesPlant outdoors (spring)Mar 18 – May 18
OnionsStart seeds indoors (spring)Feb 4 – Mar 3
OnionsTransplant outdoors (spring)Apr 4 – May 3
BroccoliStart seeds indoors (spring)Feb 28 – Apr 3
BroccoliTransplant outdoors (spring)Apr 4 – May 3
BroccoliStart seeds indoors (fall)Jun 20 – Jun 30
BroccoliTransplant outdoors (fall)Jul 20 – Jul 31
CabbageStart seeds indoors (spring)Feb 18 – Mar 18
CabbageTransplant outdoors (spring)Mar 18 – Apr 18
CabbageStart seeds indoors (fall)Jun 10 – Jul 10
CabbageTransplant outdoors (fall)Jul 10 – Aug 10
Leaf lettuceSow outdoors (spring)Mar 18 – Jun 3
Leaf lettuceSow outdoors (fall)Jul 10 – Aug 26
SpinachSow outdoors (spring)Mar 11 – Apr 24
SpinachSow outdoors (fall)Jul 27 – Aug 31
RadishesSow outdoors (spring)Mar 18 – May 8
RadishesSow outdoors (fall)Jul 10 – Sep 10
KaleSow outdoors (spring)Apr 4 – Apr 24
KaleSow outdoors (fall)Jul 3 – Aug 10
CarrotsSow outdoors (spring)Apr 18 – Jun 3
CarrotsSow outdoors (fall)Jun 10 – Jul 26
GarlicPlant outdoors (fall)Oct 10 – Nov 10

Where these dates come from

ZIP code 61460 is matched to the NOAA station Burlington 2S, IA, 21.9 km away, at 690 ft elevation (2 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Burlington 2S, IA (used)690 ftApr 18Oct 20
Gladstone Dam 18, IL538 ftApr 8Oct 29
La Harpe, IL690 ftApr 21Oct 19
Monmouth 4Nw, IL724 ftApr 22Oct 14

Frost dates near Media

Frequently asked questions

When is the last frost in Media, IL?
For ZIP code 61460, the average last spring frost (32°F) is April 18, based on NOAA 1991-2020 climate normals for the Burlington 2S, IA weather station. There is a 1-in-10 chance of a frost after May 3.
When is the first frost in Media, IL?
The average first fall frost (32°F) is October 20. There is a 1-in-10 chance of frost by October 6, so tender plants are at risk from that point on.
How long is the growing season in 61460?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 185 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.