The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant stevia in La Grande should be determined by using the USDA zone info.

Planting Calendar for Stevia

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

You should not plant stevia until after the last frost because they require warm weather.

The earliest that you can plant stevia in La Grande 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. Any later than that and your stevia may not have a chance to grow to maturity. If you are starting your stevia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in La Grande. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for La Grande is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in La Grande there is a last frost after April 15 be ready to protect your stevia if you have one of those late frosts.

USDA Zone Info for La Grande

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in La Grande

You may be interested in your other planting guides for La Grande.