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When to Plant Fiber Optic Grass in Downers Grove, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's the best time to plant fiber optic grass by looking at the USDA zone info for Downers Grove.


Planting Calendar for Fiber Optic Grass

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

Fiber Optic Grass require warm weather which tells us that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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 Downers Grove 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 really do well. If you are starting your fiber optic grass indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Downers Grove. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Downers Grove is not always accurate the actual date of last frost will vary from year to year. Half of the time in Downers Grove it frosts late in the year after April 15 so make sure that you are ready to cover your fiber optic grass in the event of a late frost.

USDA Zone Info for Downers Grove

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 Downers Grove

You may be interested in your other planting guides for Downers Grove.