When can I plant Aubretia in Evanston, IL

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By reviewing the USDA zone info for Evanston you will be able to determine when it's the best time to plant aubretia.


Planting Calendar for Aubretia

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

Aubretia are one of those plants that can tolerate quite a bit of cold weather which tells us that you can start planting them much earlier than other frost tender plants.

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

The earliest that you can plant aubretia 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 aubretia and expect a good harvest is probably September. Any later than that and your aubretia may not have a chance to really do well. Starting your aubretia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Evanston. We should expect an average low temperature of -15°F in the coldest months of winter.

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. Since half of the time in Evanston there is a last frost after April 15 be ready to protect your aubretia if we have a surprise 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.