Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Rock Springs you will be able to figure out when you can plant gerbera.

Planting Calendar for Gerbera

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

You can plant gerbera slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant gerbera in Rock Springs 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 gerbera and expect a good harvest is probably August. Any later than that and your gerbera may not have a chance to fully mature. Starting your gerbera indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Rock Springs. In the coldest months of winter you can expect an average low temperature of -20°F.

Since the USDA zone info for Rock Springs is just an average the actual date of last frost is different every year. Half of the time in Rock Springs it frosts late in the year after April 15 so be sure to be ready to protect your gerbera in the event of a late frost.

USDA Zone Info for Rock Springs

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 Rock Springs

You may be interested in your other planting guides for Rock Springs.