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When to Plant Snow-in Summer in Lake Forest, IL

One of the first steps you take when you are determining 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.

You will be able to estimate when it's a good idea to plant snow-in summer by reviewing the USDA zone info for Lake Forest.

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Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant snow-in summer a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant snow-in summer
Possibly ok, but a risky time to plant snow-in summer
Probably not a good time to plant snow-in summer

The earliest that you can plant snow-in summer in Lake Forest 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 snow-in summer and expect a good harvest is probably September. Any later than that and your snow-in summer may not have a chance to really do well. Starting your snow-in summer indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Lake Forest the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Lake Forest and it changes from year to year. Half of the time in Lake Forest you get a frost after April 15 so make sure that you are prepared to protect your snow-in summer if you have one of those late frosts.

USDA Zone Info for Lake Forest

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 Lake Forest

You may be interested in your other planting guides for Lake Forest.