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

The best time to plant dallas fern in Altus can be estimated by referring to 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.

It's a bad idea to plant dallas fern until after the last frost because they do not do well in cold weather.

The earliest that you can plant dallas fern in Altus 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. Any later than that and your dallas fern may not have a chance to fully mature. Starting your dallas fern indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Altus. In the coldest months of winter you can expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Altus is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Altus you get surprised by a frost after April 15 so make sure that you are prepared to protect your dallas fern if you have one of those late frosts.

USDA Zone Info for Altus

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Altus

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