When can I plant Datura in Evanston, IL

One of the first steps we take when we are figuring out our gardening schedule is find our 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 using the USDA zone info for Evanston it's possible to estimate when you can plant datura.


Planting Calendar for Datura

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

You can plant datura a bit earlier in the year because they do ok in moderate cold.

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

The earliest that you can plant datura 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 datura and expect a good harvest is probably August. If you wait any later than that and your datura may not have a chance to grow to maturity. Starting your datura indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of 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.

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 can change quite a bit from year to year. Half of the time in Evanston we get a frost after April 15 so be sure to be ready to protect your datura 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.