One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's a good idea to plant redvein dock by reviewing the USDA zone info for Knoxville.

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 slightly earlier in the year because they are barely cold tolerant.

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

Last Frost Date

On average the last frost has passed is on April 15 in Knoxville. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Knoxville is just an average the actual date of last frost will vary from year to year. Half of the time in Knoxville you get surprised by a frost after April 15 so make sure that you are prepared to protect your redvein dock if you have a surprise late frost.

USDA Zone Info for Knoxville

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 Knoxville

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