When to Plant Snow-in Summer in Champaign, IL

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant snow-in summer by referring to the USDA zone info for Champaign.

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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.

Snow-in Summer do well in moderate cold which means that you can plant them earlier than more sensitive plants.

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 Champaign 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. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to fully mature. Starting your snow-in summer indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Champaign is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Champaign it frosts late in the year after April 15 be ready to cover your snow-in summer in the event of a surprise late frost.

USDA Zone Info for Champaign

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 Champaign

You may be interested in your other planting guides for Champaign.