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 reviewing the USDA zone info for Seattle you should be able to estimate when it's possible to plant chicory.

Planting Calendar for Chicory

Frost tolerance for chicory:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since chicory do well in moderate cold you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant chicory in Seattle 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 chicory and expect a good harvest is probably September. Any later than that and your chicory may not have a chance to really do well. You can get started a little bit earlier by starting your chicory indoors.

Last Frost Date

On average the last frost is on March 15 in Seattle. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Seattle is an average the actual date of last frost changes from year to year. Half of the time in Seattle it frosts late in the year after March 15 so just be sure to be ready to protect your chicory in the event of a late frost.

USDA Zone Info for Seattle

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 Seattle

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