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.

The USDA zone info for Olympia Fields can be looked at to estimate when it's the best time to plant snow-in summer.

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.

Since snow-in summer are moderately cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant snow-in summer in Olympia Fields 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 grow to maturity. You can get started a little bit earlier by starting your snow-in summer indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Olympia Fields is an average and the actual date of last frost is different every year. Half of the time in Olympia Fields there is a last frost after April 15 so just be sure to be ready to protect your snow-in summer in the event of a late frost.

USDA Zone Info for Olympia Fields

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 Olympia Fields

You may be interested in your other planting guides for Olympia Fields.