When to Plant Strawberries in Winthrop Harbor, IL

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Winthrop Harbor you should be able to determine when it's the best time to plant strawberries.


Planting Calendar for Strawberries

Frost tolerance for strawberries: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since strawberries are one of those plants that can tolerate quite a bit of cold weather you can plant them earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant strawberries
Possibly ok, but a risky time to plant strawberries
Probably not a good time to plant strawberries

The earliest that you can plant strawberries in Winthrop Harbor is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant strawberries and expect a good harvest is probably September. If you wait any later than that and your strawberries may not have a chance to really do well. You can get started a little bit earlier by starting your strawberries indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Winthrop Harbor. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Winthrop Harbor is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Winthrop Harbor you get a frost after April 15 so always be ready to cover your strawberries in the event of a late frost.

USDA Zone Info for Winthrop Harbor

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Winthrop Harbor

You may be interested in your other planting guides for Winthrop Harbor.