One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You will be able to estimate when to plant fiber optic grass by looking at the USDA zone info for Pierre.

Planting Calendar for Fiber Optic Grass

Frost tolerance for fiber optic grass:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant fiber optic grass until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant fiber optic grass in Pierre is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant fiber optic grass and expect a good harvest is probably August. Any later than that and your fiber optic grass may not have a chance to really do well. You can get started a couple of weeks earlier by starting your fiber optic grass indoors.

Last Frost Date

The average date of last frost is May 15 in Pierre. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that USDA zone info for Pierre is just an average and the actual date of last frost will vary from year to year. Since half of the time in Pierre you get surprised by a frost after May 15 be ready to protect your fiber optic grass if you have one of those late frosts.

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.