One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Rialto should be reffered to in order to figure out when to plant sagina.

Planting Calendar for Sagina

Frost tolerance for sagina:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sagina do well in mild cold which means that you can plant them just a tiny bit earlier in the year than more sensitive plants.

The earliest that you can plant sagina in Rialto is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant sagina and expect a good harvest is probably September. Any later than that and your sagina may not have a chance to really do well. Starting your sagina indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Rialto. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Rialto is not always accurate the actual date of last frost is different every year. Half of the time in Rialto you get a frost after January 31 so always be ready to protect your sagina in the event of a surprise 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.