One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Berwyn you can determine when it's a good idea to plant fiber optic grass by using 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.

Since fiber optic grass require warm weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant fiber optic grass in Berwyn 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. You can get started a little bit earlier by starting your fiber optic grass indoors.

Last Frost Date

The average date of last frost is April 15 in Berwyn. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Berwyn may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Berwyn there is a last frost after April 15 so be sure to be ready to cover your fiber optic grass if you have a surprise late frost.

USDA Zone Info for Berwyn

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Berwyn

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