The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when you can plant dallas fern in Downers Grove by looking at the USDA zone info.

Planting Calendar for Dallas Fern

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

You should not plant dallas fern until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant dallas fern in Downers Grove 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Downers Grove. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Downers Grove is just an average the actual date of last frost changes from year to year. Half of the time in Downers Grove you get a frost after April 15 so always be ready to cover your dallas fern if you have a late frost.

USDA Zone Info for Downers Grove

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 Downers Grove

You may be interested in your other planting guides for Downers Grove.