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.

You should be able to determine when it's the best time to plant gazania by referring to the USDA zone info for Irvine.

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 well in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant gazania in Irvine 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. If you wait any later than that and your gazania may not have a chance to grow to maturity. Starting your gazania indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Irvine. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Irvine and it will vary from year to year. Half of the time in Irvine last frost occurs after January 31 so just be sure to be ready to protect your gazania if you have one of those late frosts.

USDA Zone Info for Irvine

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 Irvine

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