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.

By using the USDA zone info for Carbondale it's a good idea to determine when you can plant pea.

Planting Calendar for Pea

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

Pea are one of those plants that can tolerate quite a bit of cold weather which means that you can start planting them much earlier than other plants that might not handle the cold.

The earliest that you can plant pea in Carbondale 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 pea and expect a good harvest is probably September. 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 couple of weeks earlier by starting your pea indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Carbondale. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Carbondale may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Carbondale you get surprised by a frost after April 15 be ready to cover your pea if you have a late frost.

USDA Zone Info for Carbondale

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 Carbondale

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