Live Seedling/Plants are around 30-60+ days old and between 3" to 12" tall. Depending on size selected at purchase.
 
Red Ace-
Easy-to-grow beets do double-duty in the kitchen, producing tasty roots for baking, boiling or sautéing and fresh greens to boil or steam. Plant them early for top quality and best flavor. (Fluctuating weather can reduce quality and create white zone rings in the roots.) Some varieties have red stems and venation in the leaves, making them a natural for edible landscaping.
 
Sugar Beet - 
Beta vulgaris (90 days) 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. Seeding rates are from 10-15 lb. per acre. That means you need to thin them to make sure they have enough room to grow.