The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant mexican feather grass in Watertown should be figured out 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.

Mexican Feather Grass do ok in a little bit of cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant mexican feather grass in Watertown is March. However, you really should wait until April 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 August. If you wait any later than that and your mexican feather grass may not have a chance to really do well. You can get started a little bit earlier by starting your mexican feather grass indoors.

Last Frost Date

On average the last frost is on May 15 in Watertown. You should expect an average low temperature of -25°F in the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Watertown and it changes from year to year. Since half of the time in Watertown there is a last frost after May 15 be ready to protect your mexican feather grass if you have a surprise late frost.

USDA Zone Info for Watertown

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Watertown

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