When can I plant Scarlet Pimpernels in Evanston, IL

One of the first steps we take when we are estimating 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 best time to plant scarlet pimpernels in Evanston can be determined by checking out the USDA zone info.


Planting Calendar for Scarlet Pimpernels

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

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

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

The earliest that you can plant scarlet pimpernels 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 scarlet pimpernels and expect a good harvest is probably August. If you wait any later than that and your scarlet pimpernels may not have a chance to grow to maturity. If you are starting your scarlet pimpernels indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Evanston. We should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Evanston is an average and our actual date of last frost is different every year. Half of the time in Evanston there is a last frost after April 15 so make sure that you are prepared to cover your scarlet pimpernels 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.