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

By checking out the USDA zone info for Henderson it's possible to estimate when to plant carnation.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Carnation can survive in pretty solid cold which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant carnation in Henderson is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably October. Any later than that and your carnation may not have a chance to really do well. You can get started a couple of weeks earlier by starting your carnation indoors.

Last Frost Date

The average date of last frost is February 15 in Henderson. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Henderson may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Henderson last frost occurs after February 15 so be sure to be ready to protect your carnation if you have a surprise late frost.

USDA Zone Info for Henderson

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Henderson

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