Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's the best time to plant asparagus peas is to examine the USDA zone info for Matteson.

Planting Calendar for Asparagus peas

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

Asparagus peas can survive in some cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

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

Keep in mind that USDA zone info for Matteson is an average and the actual date of last frost changes from year to year. Since half of the time in Matteson it frosts late in the year after April 15 be ready to protect your asparagus peas in the event of one of those late frosts.

USDA Zone Info for Matteson

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 Matteson

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