When to Plant Fiber Optic Grass in Harrisburg, IL

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

You will be able to determine when you can plant fiber optic grass by reviewing the USDA zone info for Harrisburg.


Planting Calendar for Fiber Optic Grass

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

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.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant fiber optic grass
Possibly ok, but a risky time to plant fiber optic grass
Probably not a good time to plant fiber optic grass

The earliest that you can plant fiber optic grass in Harrisburg 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. 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 Harrisburg. You can expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Harrisburg and it changes from year to year. Half of the time in Harrisburg you get a frost after April 15 so make sure that you are ready to cover your fiber optic grass in the event of a surprise late frost.

USDA Zone Info for Harrisburg

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Harrisburg

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