When can I plant Gomphrena 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 zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The first opportunity to plant gomphrena in Evanston can be determined by using the USDA zone info.


Planting Calendar for Gomphrena

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

Gomphrena do well in mild cold which tells us that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant gomphrena 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 gomphrena and expect a good harvest is probably August. You probably don't want to wait any later than that or else your gomphrena may not have a chance to fully mature. You can get started a little bit earlier by starting your gomphrena indoors.

Last Frost Date

In Evanston the average date of last frost happens on April 15. In the coldest months of winter we can expect an average low temperature of -15°F.

Since the USDA zone info for Evanston may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Half of the time in Evanston last frost occurs after April 15 so just be sure to be ready to cover your gomphrena 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.