One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Anchorage it's possible to estimate when it's possible to plant dallas fern.

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.

Since dallas fern do not do well in cold weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant dallas fern in Anchorage 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. 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

On average the last frost has passed is on May 15 in Anchorage. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Anchorage and it can change quite a bit from year to year. Since half of the time in Anchorage you get a frost after May 15 be ready to cover your dallas fern if you have a late frost.

USDA Zone Info for Anchorage

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 Anchorage

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