Before planting it is a good idea to find your USDA Zone info to figure out 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 determining when it's possible to plant asparagus fern is to refer to the USDA zone info for Crestline.

Planting Calendar for Asparagus Fern

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

Since asparagus fern do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant asparagus fern in Crestline 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 asparagus fern and expect a good harvest is probably August. You probably don't want to wait any later than that or else your asparagus fern may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus fern indoors.

Last Frost Date

The average date of last frost is April 15 in Crestline. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Crestline is an average and the actual date of last frost is different every year. Half of the time in Crestline you get surprised by a frost after April 15 so make sure that you are ready to protect your asparagus fern in the event of a late frost.

USDA Zone Info for Crestline

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 Crestline

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