One of the best tools that you have as gardeners to help us determine 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 Berwyn can be reffered to in order to determine when you can plant peas.

Planting Calendar for Peas

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

Since peas are very cold tolerant you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant peas in Berwyn 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 peas and expect a good harvest is probably September. You probably don't want to wait any later than that or else your peas may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your peas indoors.

Last Frost Date

The average date of last frost is April 15 in Berwyn. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Berwyn is just an average and the actual date of last frost changes from year to year. Since half of the time in Berwyn you get surprised by a frost after April 15 be ready to protect your peas if you have a surprise late frost.

USDA Zone Info for Berwyn

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 Berwyn

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