When can I plant Aubrieta in Zone 2a

One of the first steps we take when we are figuring out our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The USDA zone info for Zone 2a should be reviewed to determine when it's the best time to plant aubrieta.


Planting Calendar for Aubrieta

Frost tolerance for aubrieta: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

You can plant aubrieta a little earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant aubrieta 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 aubrieta and expect a good harvest is probably August. If you wait any later than that and your aubrieta may not have a chance to fully mature. You can get started a little bit earlier by starting your aubrieta indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 2a. We should expect an average low temperature of -50°F in the coldest months of winter.

Always keep in mind that USDA zone info for Zone 2a is not always accurate and our actual date of last frost will vary from year to year. Since half of the time in Zone 2a there is a last frost after May 15 be ready to protect your aubrieta if we have a surprise late frost.

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 our other planting guides for Zone 2a.