So, how do you figure out when that is?

you’ve got the option to alsoplant certain vegetablesand flowers outside before the last frost.

Here’s what you should probably know about your last frost date in spring to avoid frozen plants.

Yellow daffodils partly covered with snow

Credit: PS3000 / Getty Images

What is a frost date?

Those events don’t happen on the exact same days each year, of course.

And the last frost date in Chicago will differ from that in Seattle.

Day of Last Spring Freeze map from NOAA

Credit: Courtesy of NOAA

Its compiled from 30 years of weather data collected byNOAA National Centers for Environmental Information.

you might also get the map informationpersonalized for your zip codethrough the National Gardening Associations online database.

By using these guidelines, youll have a window for planting outside.

However, spring weather can often shift quickly, so make your local weather forecasters your BFFs.

Theyll warn you about any sudden temperature drops coming your way.

it’s possible for you to even replant them again in late summer for fall color and harvests.

These include leafy greens like Swiss chard,kale, andspinach.Radishesalso grow quickly in spring and tolerate frost well.

Prevent a cold snap from withering your garden by knowing your areas last frost date and watching the weather.