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 earliest that you can plant redvein dock in Spokane should be determined by checking out the USDA zone info.

Planting Calendar for Redvein Dock

Frost tolerance for redvein dock:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant redvein dock a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant redvein dock in Spokane is March. However, you really should wait until April if you don't want to take any chances.

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Spokane. In the coldest months of winter you can expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Spokane is not always accurate and the actual date of last frost is different every year. Since half of the time in Spokane you get surprised by a frost after April 15 be ready to cover your redvein dock if you have a late frost.

USDA Zone Info for Spokane

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 Spokane

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