I spent four months testing the most popular hydroponic indoor gardens on the market, and these three are the best.

Imagine harvesting fresh, crisp lettuce or plucking a ripe tomato right from your kitchen windowsill—no trips to the grocery store, no worrying about the weather. Growing vegetables indoors isn ...

But leaf crops such as lettuce and herbs may be worth the effort. To grow lettuce indoors you will need seed, a soilless growing medium, growing trays and fertilizer. Start with clean growing ...