The USDA Zone info is a great tool for gardeners to help us figure out 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.

In Grinnell you can determine when it's possible to plant mexican feather grass by looking at the USDA zone info.

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.

You can plant mexican feather grass just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant mexican feather grass in Grinnell 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. Any later than that and your mexican feather grass may not have a chance to grow to maturity. Starting your mexican feather grass indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Grinnell the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Grinnell is just an average the actual date of last frost changes from year to year. Since half of the time in Grinnell you get a frost after April 15 be ready to cover your mexican feather grass if you have a late frost.

USDA Zone Info for Grinnell

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Grinnell

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