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.

The first chance to plant gazania in Calistoga can be estimated by looking at the USDA zone info.

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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant gazania in Calistoga 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. You probably don't want to wait any later than that or else your gazania may not have a chance to fully mature. 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 Calistoga. You should expect an average low temperature of 20°F in the coldest months of winter.

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

USDA Zone Info for Calistoga

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Calistoga

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