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

In Cottage Grove you can determine when to plant redvein dock by reviewing 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.

Since redvein dock do ok in moderate cold 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 Cottage Grove 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 really do well. You can get started a little bit earlier by starting your redvein dock indoors.

Last Frost Date

The average date of last frost is April 15 in Cottage Grove. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Cottage Grove is an average and the actual date of last frost is different every year. Since half of the time in Cottage Grove there is a last frost after April 15 be ready to protect your redvein dock if you have a late frost.

USDA Zone Info for Cottage Grove

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Cottage Grove

You may be interested in your other planting guides for Cottage Grove.