One of the first steps you take when you are determining your gardening schedule is find your 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.

A way of determining when it's possible to plant carnation is to check out the USDA zone info for Sweet Home.

Planting Calendar for Carnation

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

Carnation are one of those plants that can tolerate quite a bit of cold weather which means that you can plant them a quite a bit earlier than other plants that might not handle the cold.

The earliest that you can plant carnation in Sweet Home 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 couple of weeks earlier by starting your carnation indoors.

Last Frost Date

The average date of last frost is March 15 in Sweet Home. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Sweet Home is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Sweet Home there is a last frost after March 15 so always be ready to protect your carnation in the event of a surprise late frost.

USDA Zone Info for Sweet Home

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sweet Home

You may be interested in your other planting guides for Sweet Home.