The USDA Zone info is a great tool for gardeners to help us figure out 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.

The USDA zone info for Plymouth should be reviewed to estimate when you can plant painted tongues.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

You should not plant painted tongues until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant painted tongues in Plymouth is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant painted tongues and expect a good harvest is probably August. Any later than that and your painted tongues may not have a chance to fully mature. If you are starting your painted tongues indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Plymouth. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Plymouth is just an average the actual date of last frost is different every year. Half of the time in Plymouth there is a last frost after April 15 so be sure to be ready to cover your painted tongues if you have one of those late frosts.

USDA Zone Info for Plymouth

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Plymouth

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