You may love beets and you can get your beet seeds right here. But if tomatoes or other corps grow better in your climate then give them more room in your garden and make your beet plantings smaller. Ask your neighbors or take a look around your area to see what grows best in your region.
Make sure to pick the right beet seeds for your location and zone. Certain beets grow better in certain locations. Beet Seed packets usually have information regarding USDA zones. Information regarding USDA Plant Hardiness Zones is also available online.
Don't forget to read your Beet seed packets! They give general information specific to the plant about when to plant, how much sun is needed, how long from planting to harvest, and how far apart the spacing should be. Beet Seeds packets from some sources even go into detail about the history of the beet plant and may even have a recipe.