Before planting it is a good idea to find your USDA Zone info to estimate 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.

The USDA zone info for Grand Rapids should be used to estimate when it's possible to plant redvein dock.

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.

Since redvein dock are barely cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant redvein dock in Grand Rapids 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 redvein dock and expect a good harvest is probably August. Any later than that and your redvein dock may not have a chance to really do well. Starting your redvein dock indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Grand Rapids. In the coldest months of winter you should expect an average low temperature of -35°F.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Grand Rapids and it can change quite a bit from year to year. Half of the time in Grand Rapids there is a last frost after May 15 so just be sure to be ready to cover your redvein dock if you have a surprise late frost.

USDA Zone Info for Grand Rapids

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Grand Rapids

You may be interested in your other planting guides for Grand Rapids.