When to Plant Carnation in Sumner, WA

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.

A way of making a decision about when you can plant carnation is to use the USDA zone info for Sumner.


Planting Calendar for Carnation

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

You can plant carnation earlier in the year because they are very cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant carnation
Possibly ok, but a risky time to plant carnation
Probably not a good time to plant carnation

The earliest that you can plant carnation in Sumner 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. You probably don't want to wait any later than that or else your carnation may not have a chance to fully mature. Starting your carnation indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Sumner. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Sumner may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Sumner you get a frost after March 15 so be sure to be ready to cover your carnation if you have a surprise late frost.

USDA Zone Info for Sumner

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 Low15°F
Highest Expected Low20°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 Sumner

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