Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's possible to plant dallas fern is to use the USDA zone info for Devils Lake.

Planting Calendar for Dallas Fern

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

Dallas Fern are not cold tolerant which tells us that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant dallas fern in Devils Lake is May. However, you really should wait until June 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 grow to maturity. You can get started a few weeks earlier by starting your dallas fern indoors.

Last Frost Date

On average the last frost is on May 15 in Devils Lake. You can expect an average low temperature of -30°F in the coldest months of winter.

Keep in mind that USDA zone info for Devils Lake may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Devils Lake last frost occurs after May 15 be ready to protect your dallas fern in the event of one of those late frosts.

USDA Zone Info for Devils Lake

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Devils Lake

You may be interested in your other planting guides for Devils Lake.