The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's a good idea to plant asparagus peas by using the USDA zone info for Champaign.

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 are moderately cold tolerant which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant asparagus peas in Champaign 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 grow to maturity. You can get started a little bit earlier by starting your asparagus peas indoors.

Last Frost Date

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

Since the USDA zone info for Champaign is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Champaign last frost occurs after April 15 be ready to protect your asparagus peas in the event of a late frost.

USDA Zone Info for Champaign

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 Champaign

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