Before planting it is a good idea to find your USDA Zone info to figure out 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 first chance to plant redvein dock in Fairfax can be estimated 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.

Since redvein dock are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant redvein dock in Fairfax 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 redvein dock and expect a good harvest is probably September. You probably don't want to wait any later than that or else your redvein dock may not have a chance to fully mature. 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 when the weather gets warmer is on February 15 in Fairfax. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Fairfax is an average the actual date of last frost will vary from year to year. Half of the time in Fairfax you get surprised by a frost after February 15 so make sure that you are ready to protect your redvein dock in the event of one of those late frosts.

USDA Zone Info for Fairfax

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

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

Plants to Grow in Fairfax

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