Growing a small apricot tree in an outdoor plant box is entirely possible, provided you meet a few key conditions. Apricot trees thrive in well-draining soil, ample sunlight, and sufficient space for root development. When selecting a plant box, ensure it is large enough—at least 18-24 inches deep and wide—to accommodate the tree's growth. Opt for a sturdy, weather-resistant material like cedar or plastic to withstand outdoor elements.

Regular watering is crucial, as container-grown trees dry out faster than those in the ground. Fertilize during the growing season to replenish nutrients, and prune annually to maintain shape and encourage fruit production. With proper care, your apricot tree can flourish in an outdoor plant box, offering fresh fruit and ornamental appeal to your garden or patio.