One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Pierre can be looked at to estimate when you can plant ruby grass.

Planting Calendar for Ruby Grass

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

Ruby Grass do well in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant ruby grass in Pierre 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 ruby grass and expect a good harvest is probably August. If you wait any later than that and your ruby grass may not have a chance to grow to maturity. Starting your ruby grass 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 May 15 in Pierre. It might get as low as -25°F during the coldest months of winter.

Remember that USDA zone info for Pierre is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Pierre you get surprised by a frost after May 15 so make sure that you are ready to cover your ruby grass in the event of a surprise late frost.

USDA Zone Info for Pierre

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

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

Plants to Grow in Pierre

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