When to Plant Fiber Optic Grass in Alton, IL

One of the first steps you take when you are getting a good idea 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.

The first chance to plant fiber optic grass in Alton can be figured out 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 the last frost has passed.

Since fiber optic grass are not cold tolerant it is important to wait until after the last frost has passed 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 Alton 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. 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

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

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Alton and it is different every year. Half of the time in Alton you get surprised by a frost after April 15 so make sure that you are prepared to protect your fiber optic grass in the event of one of those late frosts.

USDA Zone Info for Alton

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 Alton

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