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.

One way of estimating when it's a good idea to plant redvein dock is to use the USDA zone info for Magnolia.

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 do well in a tiny bit of cold which tells us that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant redvein dock in Magnolia 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. You can get started a couple of weeks earlier by starting your redvein dock indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Magnolia. It might get as low as 10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Magnolia may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Magnolia it frosts late in the year after March 15 so be sure to be ready to protect your redvein dock if you have a late frost.

USDA Zone Info for Magnolia

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Magnolia

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