Upside-down tomato planters are perhaps the most popular choice for upside-down gardening. They thrive when suspended, and their fruit is less susceptible to pests and diseases.
Bell peppers, chili peppers, and other varieties can also do well when grown upside-down. They have shallow root systems and can adapt to the unique conditions of hanging planters.
Compact or bush varieties of cucumbers can be grown upside-down. Just ensure that the container is large enough to support the plant and its fruit.
Like peppers, eggplants have relatively shallow roots and can thrive in upside-down planters. Choose smaller varieties or consider pruning larger ones to manage their size.
Many herbs, such as basil, parsley, and oregano, can be grown upside-down. They don't require as much space as some vegetables and can add fresh flavor to your cooking.
While not technically a vegetable, strawberries can be grown upside-down in hanging baskets or containers. This method helps to keep the fruit off the ground, reducing the risk of pests and diseases.
Leafy greens like lettuce, spinach, and kale can also be grown upside-down. They have shallow root systems and can thrive in hanging planters, providing a steady supply of fresh greens for salads.