One of the best tools that you have as gardeners to help us determine your 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 your area.

You should be able to estimate when you can plant chrysocephalum by using the USDA zone info for Watseka.

Planting Calendar for Chrysocephalum

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

Since chrysocephalum require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant chrysocephalum in Watseka 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 really do well. You can get started a couple of weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Watseka. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Watseka is just an average and the actual date of last frost changes from year to year. Half of the time in Watseka you get a frost after April 15 so make sure that you are ready to cover your chrysocephalum in the event of a late frost.

USDA Zone Info for Watseka

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 Watseka

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