Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant fiber optic grass in Spirit Lake should be estimated by referring to the USDA zone info.

Planting Calendar for Fiber Optic Grass

Frost tolerance for fiber optic grass:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since fiber optic grass do not do well in cold weather it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant fiber optic grass in Spirit Lake 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 fiber optic grass and expect a good harvest is probably August. If you wait any later than that and your fiber optic grass may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your fiber optic grass indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Spirit Lake. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Spirit Lake is an average the actual date of last frost is different every year. Since half of the time in Spirit Lake you get a frost after April 15 be ready to cover your fiber optic grass in the event of a late frost.

USDA Zone Info for Spirit Lake

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 Spirit Lake

You may be interested in your other planting guides for Spirit Lake.