One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Zone 2b you can estimate when it's possible to plant dallas fern by checking out the USDA zone info.

Planting Calendar for Dallas Fern

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

You should not 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 Zone 2b 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 fully mature. If you are starting your dallas fern indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 2b the average date of last frost happens on May 15. You can expect an average low temperature of -45°F in the coldest months of winter.

Since the USDA zone info for Zone 2b may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Zone 2b you get surprised by a frost after May 15 so make sure that you are ready to cover your dallas fern if you have one of those late frosts.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-45°F
Highest Expected Low	-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.