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When to Plant Mexican Feather Grass in Watertown, WI

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 possible to determine when it's the best time to plant mexican feather grass by checking out the USDA zone info for Watertown.


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.

Mexican Feather Grass are one of those plants that can tolerate a little bit of cold weather which means that you can plant them earlier than more sensitive 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 Watertown 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 really do well. If you are starting your mexican feather 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 Watertown. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Watertown is an average the actual date of last frost is different every year. Since half of the time in Watertown you get surprised by a frost after April 15 be ready to cover your mexican feather grass if you have one of those late frosts.

USDA Zone Info for Watertown

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 Watertown

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