One of the first steps you take when you are estimating 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.

By reviewing the USDA zone info for New Ulm it's possible to figure out when you can plant dallas fern.

Planting Calendar for Dallas Fern

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

Since dallas fern are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant dallas fern in New Ulm 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. You probably don't want to wait any later than that or else your dallas fern may not have a chance to really do well. If you are starting your dallas fern indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In New Ulm the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for New Ulm may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in New Ulm there is a last frost after May 15 so just be sure to be ready to protect your dallas fern in the event of a late frost.

USDA Zone Info for New Ulm

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in New Ulm

You may be interested in your other planting guides for New Ulm.