The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when it's possible to plant lavender cotton by looking at the USDA zone info for La Grande.

Planting Calendar for Lavender Cotton

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

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

The earliest that you can plant lavender cotton in La Grande 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 lavender cotton and expect a good harvest is probably September. Any later than that and your lavender cotton may not have a chance to fully mature. If you are starting your lavender cotton indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in La Grande. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind 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 cover your lavender cotton in the event of a surprise late frost.

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.