White Althea Single Blooms (Rose of Sharon)
White Althea is a graceful flowering hibiscus shrub that produces stunning, single white blooms from midsummer into fall. Its upright, vase-like habit makes it a great choice for borders, privacy screens, or specimen plantings.
Pollinator-friendly and drought-tolerant, this deciduous shrub is ideal for sunny landscapes and easy to maintain. Its pure white blooms add a refreshing, classic look to any garden.
- � Crisp white, single-petal flowers
- � Attracts butterflies, bees, and hummingbirds
- � Loves full sun
- � Low water needs once established
- � Excellent for hedges or foundation plantings
Tip: Prune in early spring to encourage bushier growth and more blooms.
Growing Zones: 5–9 outdoors

| Mature Height: | 72–96 inches |
| Mature Width: | 48–72 inches |
| Sunlight: | Full Sun |
| Botanical Name: | Hibiscus syriacus 'White Althea' |
| Growth Rate: | Moderate |
| Bloom Time: | Summer to Early Fall |
| Type: | Flowering Shrub |
| Pollination: | Self-pollinating |
| Flower Color: | White |
FAQ's
How tall does the White Althea grow?
It typically grows 72–96 inches tall and 48–72 inches wide.
When does it bloom?
It blooms from midsummer into early fall.
Is it low maintenance?
Yes, it's drought-tolerant and easy to care for once established.
Does it attract pollinators?
Yes, it's highly attractive to bees, butterflies, and hummingbirds.
Can I grow this in a container?
Yes, it can grow in large containers with proper pruning and care.