One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's a good idea to plant stevia is to consult the USDA zone info for Tillamook.

Planting Calendar for Stevia

Frost tolerance for stevia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since stevia do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant stevia in Tillamook is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant stevia and expect a good harvest is probably August. If you wait any later than that and your stevia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your stevia indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Tillamook is not always accurate and the actual date of last frost is different every year. Half of the time in Tillamook you get surprised by a frost after March 15 so be sure to be ready to protect your stevia in the event of one of those late frosts.

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.