The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant fiber optic grass in Billings should be figured out by looking at the USDA zone info.

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 really shouldn't plant fiber optic grass until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant fiber optic grass in Billings 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. If you wait any later than that and your fiber optic grass may not have a chance to fully mature. You can get started a little bit earlier by starting your fiber optic grass indoors.

Last Frost Date

In Billings the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Billings may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Billings it frosts late in the year after May 15 so make sure that you are ready to protect your fiber optic grass if you have a surprise late frost.

USDA Zone Info for Billings

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 Billings

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