The USDA Zone info is a great tool for gardeners to help us estimate 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 figure out when you can plant gazania by checking out the USDA zone info for Rapid City.

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 slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gazania in Rapid City is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gazania and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gazania may not have a chance to really do well. If you are starting your gazania indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Rapid City the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Rapid City may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Rapid City you get surprised by a frost after April 15 so be sure to be ready to protect your gazania in the event of one of those late frosts.

USDA Zone Info for Rapid City

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Rapid City

You may be interested in your other planting guides for Rapid City.