If you're eager for a quick harvest, consider radishes, green onions, spinach, arugula, lettuce, baby carrots, and microgreens. These fast-growing veggies thrive in small spaces, making them ...

Spinach. It's one of the most nutritious lettuce options and is "a versatile ... a more complex and interesting salad, says Weintraub. Baby greens. These are the young, tender leaves of various ...