Althaea syriacus 'Helene'
Rose of Sharon/Hibiscus
A refined Rose of Sharon cultivar with crisp white flowers accented by a small red eye. ‘Helene’ offers a classic look with reliable summer bloom and a tidy, upright habit, making it easy to use in both formal and informal landscapes.
Key features
Width: 6–8 ft
Height: 8–10 ft
Flower color: White with red center
Bloom time: Mid to late summer
Form: Upright, vase-shaped shrub
Life cycle: Deciduous shrub
Growing conditions
Sun: Full sun
Soil: Average, well-drained; adaptable
Water: Moderate; drought tolerant once established
Hardiness: USDA Zones 5–9
Landscape use
Shrub borders and hedges
Specimen planting
Screening and foundation plantings
Pollinator gardens
Notes
Low seed production compared to older varieties
Deer resistant once established
Attracts bees, butterflies, and hummingbirds
Blooms on new wood; prune in late winter or early spring if desired
- Plant type
- Deciduous Shrub, Flowering Shrub
- Height
- 10-12'
- Width
- 6-8'
- Hardiness zones
- 5–8
- Sunlight
- Full Sun
- Growth rate
- Moderate
- Bloom time
- Early Fall, Fall, Late Summer, Summer
- Leaf color
- Green
- Fall color
- Crimson, Yellow
- Fruit color
- Brown
- Attracts
- Butterflies, Hummingbirds
- Soil
- Loamy, Normal, Sandy, Well Drained
- Landscape use
- Accent Plant, Hedge, Mass Planting
- Shape
- Multi Stem, Vase Shaped
- Bark
- Smooth
- Fruit
- Yes
- Fragrant
- Yes
- Deer resistant
- Yes
- Drought tolerant
- No
