One of the first steps you take when you are estimating 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.

By using the USDA zone info for Patterson you should be able to estimate when it's possible 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 tells us 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 Patterson 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. You probably don't want to wait any later than that or else your carnation may not have a chance to grow to maturity. If you are starting your carnation indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Patterson. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for Patterson may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Patterson you get a frost after February 15 so just be sure to be ready to protect your carnation in the event of a late frost.

USDA Zone Info for Patterson

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 Patterson

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