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Hibiscus syriacus 'Collie Mullens
Common Name: Collie Mullins Rose Of Sharon
Hibiscus syriacus ‘Collie Mullens’ is a decorative deciduous flowering shrub valued for its large, fully double blossoms and extended summer bloom period. It develops an upright, vase-shaped habit with attractive green foliage that provides a dense backdrop throughout the growing season. From mid-summer into early fall, large double flowers appear in soft pink tones with deeper pink highlights, creating a full, ruffled appearance that adds elegance and color to the landscape. Type: Deciduous shrub Mature Size: Width: 6–8 ft Height: 8–10 ft (10-year size: typically 6–8 ft tall) USDA Zones: 5a–9b Form: Upright, vase-shaped shrub Light: Full sun Soil: Average, well-drained soils; tolerant of clay and urban conditions Water: Moderate; drought tolerant once established Wildlife: Attracts bees, butterflies, and hummingbirds; deer moderately resistant Features & Landscape Uses Fully double pink flowers with ruffled form Long bloom period from mid-summer to fall Attractive upright shrub habit Ideal for hedges, screens, and specimen plantings Care Prune in late winter or early spring since flowers form on new wood. Remove unwanted seedlings if naturalizing is not desired. Adaptable and tolerant of heat, humidity, and urban conditions once established.
| Plant Type: | Deciduous Shrub, Flowering Deciduous Shrub |
| Width: | 6-8' |
| Height: | 8-10' |
| Fragrant: | Yes |
| Fruit | Yes |
| Growth Rate | Fast |
| Zone: | 5 - 9 |
| Deer Resistant: | Yes |
| Salt Tolerant: | No |
| Drought Tolerant: | No |
| Attract: | Butterflies, Hummingbirds |
| Exposure: | Full Sun |
| Bloom Time: | Summer, Late Summer, Early Fall, Fall |
| Bark Type: | Smooth |
| Landscape/Use: | Privacy Screen, Foundation, Mass Planting, Hedge |
| Shape: | Vase Shaped, Clumping |
| Soil Type | Well Drained, Highly Adaptable, Humus rich |
| Flower Color: | Pink |
| Leaf Color: | Green |
| Fall Color: | Yellow Green |