how deep to plant sugar beets
1 Plant sugar beet seeds about 1Â½ inches (3.8 centimeters) deep in the soil. 2  Don't plant them too close to each other, as the roots can get intertwined.3  Cover the seeds with a layer of soil. 4  When weeding around the beets, be careful, as the roots of the sugar beets are shallow and you can easily damage them. Don't till the soil more than a month before planting, or the soil will get too dry. 2  Plant sugar beet seeds about 1Â½ inches (3.8 centimeters) deep in the soil. 3  Don't plant them too close to each other, as the roots can get intertwined.