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.

In Shafter you can determine when it's possible to plant asparagus fern by looking at the USDA zone info.

Planting Calendar for Asparagus Fern

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

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

The earliest that you can plant asparagus fern in Shafter is March. However, you really should wait until April 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 September. 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 couple of weeks earlier by starting your asparagus fern indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Shafter. In the coldest months of winter you should expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Shafter is an average and the actual date of last frost will vary from year to year. Half of the time in Shafter it frosts late in the year after February 15 so make sure that you are prepared to cover your asparagus fern if you have a late frost.

USDA Zone Info for Shafter

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Shafter

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