One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant redvein dock is to refer to the USDA zone info for Smithfield.

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.

You can plant redvein dock a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant redvein dock in Smithfield 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. If you are starting your redvein dock indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Smithfield. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Smithfield is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Smithfield last frost occurs after March 15 be ready to protect your redvein dock if you have a late frost.

USDA Zone Info for Smithfield

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 Smithfield

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