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.

One way of getting a good idea when it's the best time to plant dallas fern is to check out the USDA zone info for Mammoth Lakes.

Planting Calendar for Dallas Fern

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

It's a bad idea to plant dallas fern until after the last frost because they are not cold tolerant.

The earliest that you can plant dallas fern in Mammoth Lakes 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 grow to maturity. You can get started a little bit earlier by starting your dallas fern indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Mammoth Lakes. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Mammoth Lakes is not always accurate the actual date of last frost is different every year. Half of the time in Mammoth Lakes you get a frost after April 15 so make sure that you are prepared to protect your dallas fern in the event of a late frost.

USDA Zone Info for Mammoth Lakes

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Mammoth Lakes

You may be interested in your other planting guides for Mammoth Lakes.