When to Plant Chrysocephalum in Geneva, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Geneva can be read to determine when to plant chrysocephalum.


Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's not a good idea to plant chrysocephalum until after the last frost has passed because they do not do well in cold weather.

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

The earliest that you can plant chrysocephalum in Geneva is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant chrysocephalum and expect a good harvest is probably August. Any later than that and your chrysocephalum may not have a chance to grow to maturity. If you are starting your chrysocephalum indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Geneva. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Geneva is an average the actual date of last frost changes from year to year. Half of the time in Geneva it frosts late in the year after April 15 so make sure that you are ready to cover your chrysocephalum if you have a surprise late frost.

USDA Zone Info for Geneva

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 Geneva

You may be interested in your other planting guides for Geneva.