When to Plant Asparagus in Zone 2a

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's the best time to plant asparagus in Zone 2a by referring to the USDA zone info.

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Planting Calendar for Asparagus

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

Asparagus do ok in quite a bit of cold which tells us that you can plant them earlier in the year than other frost tender plants.

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

The earliest that you can plant asparagus in Zone 2a is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably August. If you wait any later than that and your asparagus may not have a chance to fully mature. Starting your asparagus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Zone 2a. It might get as low as -50°F during the coldest months of winter.

Since the USDA zone info for Zone 2a is not always accurate the actual date of last frost changes from year to year. Since half of the time in Zone 2a last frost occurs after May 15 be ready to protect your asparagus if you have one of those late frosts.

USDA Zone Info for Zone 2a

Here is the info for USDA Zone 2a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-50°F
Highest Expected Low-45°F

This means that on a really cold year, the coldest it will get is -50°F. On most years you should be prepared to experience lows near -45°F.

Plants to Grow in Zone 2a

You may be interested in your other planting guides for Zone 2a.