Creating a lush urban garden in a planter box is rewarding, but some plants can cause more trouble than they're worth. To ensure your container garden thrives, avoid these types of plants. First, steer clear of invasive species like mint, bamboo, or certain ivies. Their aggressive roots will quickly take over the limited space, choking out other plants. Second, avoid large, fast-growing trees or shrubs meant for the ground, such as willow or black walnut saplings. They will become root-bound and stunted. Third, be cautious with plants toxic to pets or children if your planter is on a balcony or patio, like oleander, lily of the valley, or castor bean. Fourth, skip vegetables with deep taproots, such as parsnips or full-sized carrot varieties, as they need more soil depth than most boxes provide. Fifth, avoid moisture-sensitive plants like lavender or rosemary if your box lacks excellent drainage, as they are prone to root rot. Sixth, reconsider heavy feeders like corn, which deplete container soil nutrients rapidly. Finally, avoid plants advertised as "ground cover" unless you want them to spill over completely; they can smother other plants. By making informed choices, your urban planter box will become a sustainable and beautiful green oasis.
Are there any plants I should avoid putting in an urban planter box?
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