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.

One way of figuring out when it's the best time to plant asparagus peas is to use the USDA zone info for Delafield.

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 do well in moderate cold which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant asparagus peas in Delafield 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. You probably don't want to wait any later than that or else your asparagus peas may not have a chance to fully mature. Starting your asparagus peas indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Delafield the average date of last frost happens on April 15. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Delafield is just an average the actual date of last frost changes from year to year. Half of the time in Delafield you get surprised by a frost after April 15 so be sure to be ready to protect your asparagus peas if you have one of those late frosts.

USDA Zone Info for Delafield

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Delafield

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