When to Plant Fiber Optic Grass in Manhattan, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant fiber optic grass in Manhattan can be determined 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.

You really shouldn't 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 Manhattan 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 fully mature. If you are starting your fiber optic grass indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Manhattan the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Manhattan is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Manhattan you get surprised by a frost after April 15 be ready to protect your fiber optic grass if you have a surprise late frost.

USDA Zone Info for Manhattan

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Manhattan

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