One of the best tools that you have as gardeners to help us estimate 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.

In Papillion you can figure out when to plant chrysocephalum by looking at the USDA zone info.

Planting Calendar for Chrysocephalum

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

Since chrysocephalum are not cold tolerant 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 Papillion 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 really do well. If you are starting your chrysocephalum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Papillion. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Papillion is just an average and the actual date of last frost will vary from year to year. Half of the time in Papillion it frosts late in the year after April 15 so just be sure to be ready to cover your chrysocephalum if you have a surprise late frost.

USDA Zone Info for Papillion

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 Papillion

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