When can I plant Platycodon in Evanston, IL

One of the best tools that we have as gardeners to help us determine 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.

You can determine when it's possible to plant platycodon in Evanston by checking out the USDA zone info.


Planting Calendar for Platycodon

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

Since platycodon are barely cold tolerant you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

The earliest that you can plant platycodon 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 platycodon and expect a good harvest is probably August. You probably don't want to wait any later than that or else your platycodon may not have a chance to grow to maturity. Starting your platycodon indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed 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 USDA zone info for Evanston is not always accurate and our actual date of last frost can change quite a bit from year to year. Half of the time in Evanston it frosts late in the year after April 15 so make sure that you are ready to cover your platycodon 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.