Harmony Oakleaf Hydrangea 'Harmony' is a bold and beautiful oakleaf hydrangea variety, cherished for its oversized, double white flower clusters and lush green foliage that turns rich red in fall. Its architectural shape and multi-season interest make it a standout shrub for woodland borders or naturalized landscapes. Large, double white panicle flowers Dramatic red fall foliage Native and pollinator-friendly ️ Thrives in part sun to full sun Excellent for landscape beds and natural gardens Growing Zones: 5–9 outdoors Mature Height: 8–10 ft. Mature Width: 8–10 ft. Sunlight: Part Sun to Full Sun Botanical Name: Hydrangea quercifolia 'Harmony' Growth Rate: Moderate Soil Preference: Moist, well-drained soil Bloom Time: Early to mid-summer Type: Deciduous Shrub FAQ's How large do Harmony Oakleaf Hydrangeas get? They typically grow 8–10 ft. tall and wide, forming a dramatic presence in the garden. Is this hydrangea deer resistant? Oakleaf hydrangeas are moderately deer-resistant but may still be browsed by hungry deer. When should I prune it? Prune right after flowering in mid to late summer. Avoid late fall or early spring pruning. Does it need full sun? It performs best in part sun to full sun, with some afternoon shade in hotter climates.