One of the first steps you take when you are figuring out your gardening schedule is find your 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.

By looking at the USDA zone info for Rialto it's possible to estimate when to plant african daisy.

Planting Calendar for African Daisy

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

African Daisy are moderately cold tolerant which means that you can start planting them earlier than plants that are more sensitive to the cold.

The earliest that you can plant african daisy 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 african daisy and expect a good harvest is probably October. If you wait any later than that and your african daisy may not have a chance to fully mature. Starting your african daisy indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Rialto is not always accurate and the actual date of last frost is different every year. Since half of the time in Rialto it frosts late in the year after January 31 be ready to cover your african daisy if you have one of those late frosts.

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.