Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Tillamook you can determine when it's the best time to plant sorrel by reviewing the USDA zone info.

Planting Calendar for Sorrel

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

Since sorrel are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant sorrel in Tillamook 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 sorrel and expect a good harvest is probably September. You probably don't want to wait any later than that or else your sorrel may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your sorrel indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Tillamook is an average and the actual date of last frost will vary from year to year. Half of the time in Tillamook there is a last frost after March 15 so make sure that you are prepared to cover your sorrel if you have a surprise late frost.

USDA Zone Info for Tillamook

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 Tillamook

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