Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Porterville you should be able to estimate when you can plant asparagus peas.

Planting Calendar for Asparagus peas

Frost tolerance for asparagus peas:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Asparagus peas do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant asparagus peas in Porterville is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant asparagus peas and expect a good harvest is probably October. Any later than that and your asparagus peas may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your asparagus peas indoors.

Last Frost Date

In Porterville the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Porterville is an average the actual date of last frost changes from year to year. Half of the time in Porterville last frost occurs after February 15 so make sure that you are ready to cover your asparagus peas in the event of a surprise late frost.

USDA Zone Info for Porterville

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Porterville

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