One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. 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 Caldwell should be determined by using the USDA zone info.

Planting Calendar for Chrysocephalum

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

It's a bad idea to plant chrysocephalum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant chrysocephalum in Caldwell 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 fully mature. Starting your chrysocephalum indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Caldwell. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Caldwell is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Caldwell 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 Caldwell

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Caldwell

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