When can I plant Aubrieta in Evanston, IL

One of the first steps we take when we are determining 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 earliest that you can plant aubrieta in Evanston can be figured out by reviewing the USDA zone info.


Planting Calendar for Aubrieta

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

Since aubrieta are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than more sensitive plants.

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 Evanston 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 aubrieta and expect a good harvest is probably September. If you wait any later than that and your aubrieta may not have a chance to really do well. Starting your aubrieta indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Evanston. In the coldest months of winter we should expect an average low temperature of -15°F.

It's important to remember that our actual date of last frost is not always accurate because it is based on the USDA zone info for Evanston and it will vary from year to year. Half of the time in Evanston we get surprised by a frost after April 15 so always be ready to cover your aubrieta in the event of a late frost.

USDA Zone Info for Evanston

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Evanston

You may be interested in our other planting guides for Evanston.