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.

In Harlan you can determine when it's possible to plant fiber optic grass by reviewing 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.

It's not a good idea to plant fiber optic grass until after the last frost because they do not do well in cold weather.

The earliest that you can plant fiber optic grass in Harlan 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. Any later than that and your fiber optic grass may not have a chance to grow to maturity. Starting your fiber optic grass indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Harlan. In the coldest months of winter you should expect an average low temperature of -20°F.

Remember that USDA zone info for Harlan may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Harlan there is a last frost after April 15 be ready to cover your fiber optic grass if you have a late frost.

USDA Zone Info for Harlan

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 Harlan

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