The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's a good idea to plant beets is to refer to the USDA zone info for Rialto.

Planting Calendar for Beets

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

Beets do ok in some cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant beets in Rialto 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 beets and expect a good harvest is probably October. You probably don't want to wait any later than that or else your beets may not have a chance to really do well. You can get started a little bit earlier by starting your beets indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Rialto. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Rialto may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Rialto you get surprised by a frost after January 31 be ready to protect your beets in the event of a late frost.

USDA Zone Info for Rialto

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Rialto

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