One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

One way of making a decision about when it's possible to plant dallas fern is to check out the USDA zone info for Flossmoor.

Planting Calendar for Dallas Fern

Frost tolerance for dallas fern:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant dallas fern until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant dallas fern in Flossmoor is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant dallas fern and expect a good harvest is probably August. Any later than that and your dallas fern may not have a chance to grow to maturity. Starting your dallas fern indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Flossmoor. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Flossmoor is just an average and the actual date of last frost changes from year to year. Since half of the time in Flossmoor last frost occurs after April 15 be ready to cover your dallas fern if you have one of those late frosts.

USDA Zone Info for Flossmoor

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 Flossmoor

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