Growth Rate
Moderate: Physocarpus 'Summer Wine' has a moderate growth rate, typically growing around 1 to 2 feet per year under optimal conditions.
Size
Mature Height: It typically reaches a height of 5 to 6 feet.
Mature Spread: It has a spread of 4 to 5 feet, forming a rounded shape.
Growing Conditions
Sunlight: Prefers full sun to partial shade.
Soil: Thrives in well-drained soil but can tolerate a range of soil types, including clay and sandy soils.
Watering: Regular watering is beneficial, especially during dry spells, to maintain healthy growth.
Hardiness Zones: Suitable for USDA hardiness zones 3-7.
Maintenance
Pruning: Prune in late winter or early spring to maintain its shape and encourage new growth.
Fertilizing: Generally, not heavy feeders, but can benefit from a balanced fertilizer in early spring.