Sugar Beet seeds garden seeds vegetable seeds bulk Make your own sugar. 300 Sugar Beet Seeds. Non GMO and Heirloom. 5 grams of seeds. Sugar beets are a natural source of sugar and where most of the sugar industry derives its sugar from these days. Beets are up to 1 foot long and can weigh from 3-5 pounds. Very frost tolerant. Tops can grow 1-2' tall. Beet tops can be eaten, lightly grazed or fed to animals. Any type of beets do not like heat. Optimum temperature is 55-80 degrees. It is very important to keep your seeds moist after you have planted and be patient. It takes two or three weeks to see sprouts.