When can I plant Asparagus in Zone 6a

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

In Zone 6a you can determine when it's possible to plant asparagus by using the USDA zone info.


Planting Calendar for Asparagus

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

You can plant asparagus quite a bit earlier in the year because they do well in cold.

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 6a 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 and expect a good harvest is probably September. You probably don't want to wait any later than that or else your asparagus may not have a chance to fully mature. If you are starting your asparagus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Zone 6a. In the coldest months of winter we can expect an average low temperature of -10°F.

Since the USDA zone info for Zone 6a is just an average our actual date of last frost will vary from year to year. Since half of the time in Zone 6a it frosts late in the year after April 15 be ready to cover your asparagus in the event of one of those late frosts.

USDA Zone Info for Zone 6a

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Zone 6a

You may be interested in our other planting guides for Zone 6a.