When to Plant Asparagus peas in Zone 4a

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant asparagus peas in Zone 4a can be determined by referring to the USDA zone info.

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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 more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant asparagus peas
Possibly ok, but a risky time to plant asparagus peas
Probably not a good time to plant asparagus peas

The earliest that you can plant asparagus peas in Zone 4a is March. However, you really should wait until April 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 August. You probably don't want to wait any later than that or else your asparagus peas may not have a chance to fully mature. If you are starting your asparagus peas indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Zone 4a. In the coldest months of winter you can expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Zone 4a and it is different every year. Since half of the time in Zone 4a you get a frost after May 15 be ready to cover your asparagus peas if you have a late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zone 4a

You may be interested in your other planting guides for Zone 4a.