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 Cambridge 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.

Redvein Dock can survive in some cold which means that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant redvein dock in Cambridge 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. If you wait any later than that and your redvein dock may not have a chance to fully mature. You can get started a few weeks earlier by starting your redvein dock indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Cambridge. It might get as low as -30°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Cambridge and it changes from year to year. Half of the time in Cambridge it frosts late in the year after May 15 so make sure that you are prepared to cover your redvein dock if you have one of those late frosts.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Cambridge

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