Before planting it is a good idea to find your USDA Zone info to figure out 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.

One way of determining when it's possible to plant dallas fern is to examine the USDA zone info for Biddeford.

Planting Calendar for Dallas Fern

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

It's probably not a good 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 Biddeford 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. If you wait any later than that and your dallas fern may not have a chance to really do well. Starting your dallas fern indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Biddeford the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Biddeford is just an average the actual date of last frost will vary from year to year. Since half of the time in Biddeford there is a last frost after April 15 be ready to cover your dallas fern if you have a late frost.

USDA Zone Info for Biddeford

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 Biddeford

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