One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant fiber optic grass in Lisle by checking out 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 are not cold tolerant.

The earliest that you can plant fiber optic grass in Lisle 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. Starting your fiber optic grass indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Lisle. In the coldest months of winter you should expect an average low temperature of -15°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Lisle and it changes from year to year. Half of the time in Lisle last frost occurs after April 15 so make sure that you are prepared to protect your fiber optic grass if you have a late frost.

USDA Zone Info for Lisle

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 Lisle

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