One of the best tools that you have as gardeners to help us figure out 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.

It's possible to determine when you can plant gazania by using the USDA zone info for Tustin.

Planting Calendar for Gazania

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

Gazania do ok in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant gazania in Tustin 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 gazania and expect a good harvest is probably September. Any later than that and your gazania may not have a chance to fully mature. You can get started a little bit earlier by starting your gazania indoors.

Last Frost Date

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

Since the USDA zone info for Tustin is an average the actual date of last frost is different every year. Half of the time in Tustin you get surprised by a frost after January 31 so just be sure to be ready to cover your gazania if you have a late frost.

USDA Zone Info for Tustin

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 Tustin

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