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 first chance to plant chrysocephalum in Champaign can be figured out by checking out the USDA zone info.

Planting Calendar for Chrysocephalum

Frost tolerance for chrysocephalum:	Not tolerant of frost.
When to plant:	After the last frost.

Since chrysocephalum are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant chrysocephalum in Champaign 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. You probably don't want to wait any later than that or else your chrysocephalum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your chrysocephalum indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Champaign. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Champaign is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Champaign you get surprised by a frost after April 15 be ready to protect your chrysocephalum if you have a late frost.

USDA Zone Info for Champaign

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 Champaign

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