When can I plant Asparagus lettuce in Zone 3a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

In Zone 3a you can estimate when it's the best time to plant asparagus lettuce by using the USDA zone info.


Planting Calendar for Asparagus lettuce

Frost tolerance for asparagus lettuce: Not tolerant of frost.
When you should plant them: After the last frost has passed.

Since asparagus lettuce are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant asparagus lettuce in Zone 3a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant asparagus lettuce and expect a good harvest is probably August. You probably don't want to wait any later than that or else your asparagus lettuce may not have a chance to really do well. Starting your asparagus lettuce indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 3a the average date of last frost happens on May 15. We should expect an average low temperature of -40°F in the coldest months of winter.

Since the USDA zone info for Zone 3a is not always accurate our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 3a we get a frost after May 15 be ready to protect your asparagus lettuce in the event of a late frost.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.