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

The first chance to plant swan river daisy in Rapid City can be estimated by referring to the USDA zone info.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Swan River Daisy require warm weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

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

The last month that you can plant swan river daisy and expect a good harvest is probably August. If you wait any later than that and your swan river daisy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your swan river daisy indoors.

Last Frost Date

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

Remember that USDA zone info for Rapid City is an average and the actual date of last frost is different every year. Since half of the time in Rapid City you get a frost after April 15 be ready to cover your swan river daisy if you have a late frost.

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.