Growing a small fothergilla (Fothergilla gardenii) in an outdoor plant box is entirely possible with the right conditions. This charming dwarf shrub, known for its fragrant spring blooms and vibrant fall foliage, adapts well to container gardening when given proper care.

Key Considerations:

1. Container Size: Choose a sturdy, well-draining plant box at least 18-24 inches wide to accommodate root growth.

2. Soil: Use acidic, moist, and organically rich soil—mimicking the fothergilla’s natural woodland habitat.

3. Sunlight: Place the box in partial shade to full sun (4-6 hours of sunlight daily) for optimal growth and flowering.

4. Watering: Keep soil consistently moist but not waterlogged; mulch to retain moisture in warmer months.

5. Winter Care: In colder climates, insulate the box or move it to a sheltered spot to protect roots from freezing.

Pro Tip: Pair fothergilla with complementary plants like heuchera or hostas in larger boxes for a layered aesthetic. With attentive care, your potted fothergilla can thrive for years, offering seasonal beauty in compact spaces.