Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Knoxville can be looked at to estimate when it's the best time to plant beets.

Planting Calendar for Beets

Frost tolerance for beets:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Beets do well in moderate cold which means that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant beets in Knoxville 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 beets and expect a good harvest is probably September. You probably don't want to wait any later than that or else your beets may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your beets indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Knoxville. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Knoxville may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Knoxville last frost occurs after April 15 so always be ready to protect your beets if you have one of those late frosts.

USDA Zone Info for Knoxville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

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

Plants to Grow in Knoxville

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