One of the first steps you take when you are figuring out 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 first chance to plant pea in Princeton should be determined by referring to the USDA zone info.

Planting Calendar for Pea

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

Since pea are very cold tolerant you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant pea in Princeton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant pea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pea may not have a chance to grow to maturity. You can get started a little bit earlier by starting your pea indoors.

Last Frost Date

The average date of last frost is May 15 in Princeton. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Princeton is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Princeton there is a last frost after May 15 so always be ready to cover your pea in the event of a late frost.

USDA Zone Info for Princeton

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Princeton

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