Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when you can plant chrysocephalum by using the USDA zone info for Willows.

Planting Calendar for Chrysocephalum

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

You can not plant chrysocephalum until after the last frost when the weather gets warmer because they require warm weather.

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

The last month that you can plant chrysocephalum and expect a good harvest is probably September. If you wait any later than that and your chrysocephalum may not have a chance to grow to maturity. Starting your chrysocephalum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Willows the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Willows is not always accurate and the actual date of last frost is different every year. Half of the time in Willows you get surprised by a frost after February 15 so make sure that you are ready to cover your chrysocephalum in the event of a surprise late frost.

USDA Zone Info for Willows

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Willows

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