One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when it's possible to plant carnation by looking at the USDA zone info for Roseland.

Planting Calendar for Carnation

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

Since carnation do well in cold you can plant them much earlier in the year than other frost tender plants.

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

The last month that you can plant carnation and expect a good harvest is probably September. If you wait any later than that and your carnation may not have a chance to fully mature. You can get started a few weeks earlier by starting your carnation indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Roseland. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Roseland is not always accurate the actual date of last frost changes from year to year. Half of the time in Roseland last frost occurs after April 15 so just be sure to be ready to protect your carnation in the event of a late frost.

USDA Zone Info for Roseland

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 Roseland

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