One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when to plant spearmint is to examine the USDA zone info for Northport.

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 tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant spearmint in Northport 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 fully mature. You can get started a couple of weeks earlier by starting your spearmint indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Northport. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Northport may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Northport you get surprised by a frost after April 15 so make sure that you are ready to protect your spearmint if you have a late frost.

USDA Zone Info for Northport

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Northport

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