One of the first steps you take when you are making a decision about 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.

You can estimate when it's the best time to plant carnation in Snohomish by looking at the USDA zone info.

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 quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant carnation in Snohomish 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. Any later than that and your carnation may not have a chance to really do well. You can get started a little bit earlier by starting your carnation indoors.

Last Frost Date

On average the last frost is on March 15 in Snohomish. In the coldest months of winter you can expect an average low temperature of 15°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Snohomish and it can change quite a bit from year to year. Half of the time in Snohomish you get surprised by a frost after March 15 so just be sure to be ready to cover your carnation in the event of a surprise late frost.

USDA Zone Info for Snohomish

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 Snohomish

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