When to Plant Mexican Feather Grass in Collinsville, IL

The USDA Zone info is a great tool for gardeners to help us determine 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 possible to determine when you can plant mexican feather grass by referring to the USDA zone info for Collinsville.


Planting Calendar for Mexican Feather Grass

Frost tolerance for mexican feather grass: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since mexican feather grass are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant mexican feather grass
Possibly ok, but a risky time to plant mexican feather grass
Probably not a good time to plant mexican feather grass

The earliest that you can plant mexican feather grass in Collinsville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant mexican feather grass and expect a good harvest is probably September. If you wait any later than that and your mexican feather grass may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your mexican feather grass indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Collinsville. In the coldest months of winter you should expect an average low temperature of -5°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Collinsville and it will vary from year to year. Half of the time in Collinsville it frosts late in the year after April 15 so make sure that you are ready to protect your mexican feather grass if you have a late frost.

USDA Zone Info for Collinsville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Collinsville

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