You can use any type of seed to grow microgreens, but some varieties are better suited than others. Use fresh, high-quality seeds that haven't been treated with chemicals and avoid nightshade plants. Some good microgreen seeds include: - Radish - Beet - Cabbage - Arugula - Mustard Greens - Broccoli - Sunflower - Amaranth - Kale - Scallion - Cress - Collard greens - Kohlrabi