Frost Dates for Rockford, Illinois, United States of America

Coordinates: 42.271, -89.094

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 5a

... and the frost data for your area is ...

Current Risk Level: Hard Ground Frost possible

for today based on past data only.

We predict a frost free growing season at your location from Apr 28 to Sep 18, which provides approximately 142 frost free days.

For the less tender plants, or if you are planning to protect your plants with fleece etc, your growing season could stretch from Apr 20 to Sep 28, which provides a total of 161 days for growing.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Hard Ground Frost possible
  • Light Ground Frost possible
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostSep 18Apr 28
Light Ground FrostSep 28Apr 20
Hard Ground FrostOct 12Apr 6

Frost Dates for Rockford, Illinois, United States of America | FrostDates.com