We have yet to find a plat that doesn’t love Masterblend. Despite its name, Masterblend 4-18-38 Tomato Formula is a general use 100% water-soluble fertilizer that delivers outstanding results when growing leafy greens like lettuce, spinach, kale and bok choy; root vegetables like carrots, radishes and turnips; as well as flowering/fruiting plants like peppers, zucchini, strawberries and, of course, tomatoes. We have even used it to grow dragonfruit, pineapple and an orange tree indoors.