If you're considering growing a small sweetspire (Itea virginica) in an outdoor plant box, the answer is yes—with the right conditions. Sweetspire is a versatile shrub that thrives in containers, making it a great choice for small gardens, patios, or balconies.

To ensure success, choose a plant box that is at least 18-24 inches deep and wide to accommodate the root system. Ensure proper drainage by adding holes at the bottom or using a well-draining potting mix. Sweetspire prefers moist, slightly acidic soil and partial to full sun, so place the box in a spot that receives adequate sunlight.

Regular watering is essential, especially during dry spells, but avoid waterlogging. Fertilize lightly in spring with a balanced fertilizer to promote healthy growth. Prune after flowering to maintain shape and encourage new growth.

With proper care, your small sweetspire will flourish in an outdoor plant box, adding beauty and fragrance to your space.