One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 Plymouth should be reffered to in order to figure out when it's a good idea to plant field peas.

Planting Calendar for Field Peas

Frost tolerance for field peas:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Field Peas do ok in moderate cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant field peas in Plymouth 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 field peas and expect a good harvest is probably September. Any later than that and your field peas may not have a chance to really do well. Starting your field peas indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Plymouth the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Plymouth may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Plymouth you get a frost after April 15 so make sure that you are ready to cover your field peas if you have a late frost.

USDA Zone Info for Plymouth

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 Plymouth

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