One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Heath you will be able to estimate when it's a good idea to plant chrysocephalum.

Planting Calendar for Chrysocephalum

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

You really shouldn't 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 Heath 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. If you wait any later than that and 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

The average date of last frost is April 15 in Heath. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Heath is an average the actual date of last frost will vary from year to year. Half of the time in Heath you get a frost after April 15 so make sure that you are ready to cover your chrysocephalum if you have a surprise late frost.

USDA Zone Info for Heath

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Heath

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