The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when you can plant redvein dock by reviewing the USDA zone info for Purcellville.

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 plants that are more sensitive to the cold.

The earliest that you can plant redvein dock in Purcellville 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. You probably don't want to wait any later than that or else your redvein dock may not have a chance to grow to maturity. If you are starting your redvein dock indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Purcellville. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Purcellville is not always accurate the actual date of last frost is different every year. Since half of the time in Purcellville 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 Purcellville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Purcellville

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