When can I plant Salvia in Evanston, IL

One of the first steps we take when we are getting a good idea 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 Evanston should be read to determine when it's possible to plant salvia.


Planting Calendar for Salvia

Frost tolerance for salvia: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Salvia are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than more sensitive plants.

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

The earliest that you can plant salvia in Evanston 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 salvia and expect a good harvest is probably August. Any later than that and your salvia may not have a chance to really do well. If you are starting your salvia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Just be sure 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 we get a frost after April 15 be ready to cover your salvia in the event of one of those late frosts.

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.