The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant chrysocephalum in Union should be determined 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.

Chrysocephalum are not cold tolerant which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant chrysocephalum in Union 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. Any later than that and your chrysocephalum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Union. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Union is an average and the actual date of last frost is different every year. Half of the time in Union you get a frost after March 15 so just be sure to be ready to cover your chrysocephalum if you have a late frost.

USDA Zone Info for Union

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Union

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