Before planting it is a good idea to find your USDA Zone info to figure out 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.

It's possible to estimate when to plant potatos by reviewing the USDA zone info for Perris.

Planting Calendar for Potatos

Frost tolerance for potatos:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Potatos tend to make it in a bit of cold which tells us that you can plant them a lot earlier in the year than other plants that might not handle the cold.

The earliest that you can plant potatos in Perris 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 potatos and expect a good harvest is probably October. If you wait any later than that and your potatos may not have a chance to really do well. You can get started a little bit earlier by starting your potatos indoors.

Last Frost Date

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

Since the USDA zone info for Perris may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Perris you get a frost after February 15 so be sure to be ready to protect your potatos in the event of a surprise late frost.

USDA Zone Info for Perris

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 Perris

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