One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant potatos in Calimesa can be determined by using the USDA zone info.

Planting Calendar for Potatos

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

Since potatos do well in cold you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant potatos in Calimesa 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 grow to maturity. Starting your potatos indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Calimesa. In the coldest months of winter you can expect an average low temperature of 25°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Calimesa and it is different every year. Half of the time in Calimesa you get surprised by a frost after February 15 so always be ready to protect your potatos if you have one of those late frosts.

USDA Zone Info for Calimesa

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 Calimesa

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