Sugar Beet (Beta vulgaris) Zellajake Farm and Garden offers Sugar Beet seeds. There is no difference between beet and cane sugar. When fully grown a Sugar Beet is about a foot long weighs 2-5 lbs and is about 18% sucrose. Sugar Beets are not only a great crop for sugar production but are also a fantastic dual-purpose food plot plant. Cooler weather promotes increased sugar content and makes them an extra attractive food source. Days to Maturity: 55-65 in full sun.