One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant sagina is to examine the USDA zone info for Rapid City.

Planting Calendar for Sagina

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

You can plant sagina slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant sagina 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 sagina and expect a good harvest is probably August. Any later than that and your sagina may not have a chance to fully mature. Starting your sagina indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Rapid City. In the coldest months of winter you should 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 changes from year to year. Half of the time in Rapid City you get surprised by a frost after April 15 so just be sure to be ready to protect your sagina 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.