The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Madisonville you can figure out when it's a good idea to plant chrysocephalum by checking out 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.

You can not plant chrysocephalum until after all chance of frost has passed because they require warm weather.

The earliest that you can plant chrysocephalum in Madisonville 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. 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 April 15 in Madisonville. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Madisonville is just an average the actual date of last frost is different every year. Half of the time in Madisonville last frost occurs after April 15 so just be sure to be ready to cover your chrysocephalum in the event of a surprise late frost.

USDA Zone Info for Madisonville

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 Madisonville

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