When can I plant Garlic in Zone 3a

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.

You should be able to figure out when it's possible to plant garlic by checking out the USDA zone info for Zone 3a.


Planting Calendar for Garlic

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

Garlic can survive in cold weather which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant garlic in Zone 3a 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 garlic and expect a good harvest is probably August. If you wait any later than that and your garlic may not have a chance to grow to maturity. Starting your garlic indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Zone 3a is just an average and our actual date of last frost changes from year to year. Half of the time in Zone 3a it frosts late in the year after May 15 so be sure to be ready to protect your garlic in the event of one of those late frosts.

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.