One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Mansfield should be read to figure out when it's a good idea to plant spearmint.

Planting Calendar for Spearmint

Frost tolerance for spearmint:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Spearmint are very cold tolerant which means that you can get them planted much earlier than other frost tender plants.

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

Last Frost Date

On average the last frost has passed is on March 15 in Mansfield. In the coldest months of winter you should expect an average low temperature of 10°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Mansfield and it is different every year. Half of the time in Mansfield last frost occurs after March 15 so make sure that you are ready to cover your spearmint in the event of a late frost.

USDA Zone Info for Mansfield

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Mansfield

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