The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 determine when to plant dallas fern by using the USDA zone info for Bonne Terre.

Planting Calendar for Dallas Fern

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

It's probably a bad idea to plant dallas fern until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant dallas fern in Bonne Terre 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. You probably don't want to wait any later than that or else your dallas fern may not have a chance to fully mature. If you are starting your dallas fern indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bonne Terre. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Bonne Terre and it will vary from year to year. Half of the time in Bonne Terre you get surprised by a frost after April 15 so always be ready to cover your dallas fern in the event of one of those late frosts.

USDA Zone Info for Bonne Terre

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bonne Terre

You may be interested in your other planting guides for Bonne Terre.