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.

A common way of getting a good idea when you can plant mexican feather grass is to examine the USDA zone info for South Portland.

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 moderately cold tolerant which means that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant mexican feather grass in South Portland 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 really do well. You can get started a couple of weeks earlier by starting your mexican feather grass indoors.

Last Frost Date

On average the last frost has passed is on April 15 in South Portland. In the coldest months of winter you can expect an average low temperature of -15°F.

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

USDA Zone Info for South Portland

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in South Portland

You may be interested in your other planting guides for South Portland.