Various plants thrive in vertical planters. Vining and climbing plants, such as tomatoes, beans, and peas, are ideal because they can grow upwards, creating a lush green wall. Compact vegetables and herbs, such as cherry tomatoes, peppers, lettuce, spinach, basil, thyme, and parsley, are great for their small size. Succulents and air plants are low-maintenance and perfect for small containers. Finally, ornamental flowers like petunias, begonias, and marigolds add color and beauty to your vertical garden.