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.

It's possible to determine when it's a good idea to plant gazania by using the USDA zone info for Mesa.

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.

Since gazania are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant gazania in Mesa 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 grow to maturity. Starting your gazania indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Mesa. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Mesa is just an average the actual date of last frost is different every year. Since half of the time in Mesa it frosts late in the year after February 15 be ready to cover your gazania if you have a surprise late frost.

USDA Zone Info for Mesa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Mesa

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