Someone holding a handful of tomatoes
Photo credit: iStock/Hakase_

It’s that time of year when tomatoes start rolling in at farmers markets and backyard gardens. Learn about growing and harvesting this tasty, tangy fruit.

  • Tomatoes are members of the nightshade, or Solanaceae, family, along with eggplants, peppers and potatoes.
  • Tomatoes are hot-weather plants, needing full sun and warm soil to survive.
  • Tomatoes are in season in Illinois from June through October.
  • Pick tomatoes when they are firm and fully colored.
  • In the hotter summer months, harvest tomatoes more often, prior to becoming soft.
  • You can pick tomatoes before they fully develop their color and let them ripen off the vine.
  • Tomatoes are high in vitamins A and C, plus a great source of potassium.
  • There are more than 25,000 different varieties of tomatoes.
  • There are two different categories of tomatoes: determinate and indeterminate.
    • Determinate varieties produce one crop on bushier, shorter plants that usually do not need to be staked, perfect for containers or smaller spaces.
    • Roma, the mountain series and cherry gold are some examples of determinate varieties.
    • Indeterminate varieties continuously grow and produce fruit throughout the season, requiring more space and to be staked.

See more: 10 Tasty Tomato Recipes

Sources: Chicago Botanic Garden, Illinois Extension

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