Amplissimus Althea Tree Form
Amplissimus Althea is a bold and eye-catching flowering tree form of Rose of Sharon, known for its large, deep magenta-red blooms accented with a dramatic dark eye. Flowering from midsummer through fall, it provides a vivid focal point for landscapes, patios, or garden borders.
This low-maintenance deciduous tree tolerates heat, humidity, and drought once established. It attracts butterflies and hummingbirds, adding beauty and biodiversity to your space.
- � Striking deep magenta-red flowers with dark centers
- � Attracts pollinators like butterflies and hummingbirds
- ☀️ Best performance in full sun
- � Grown in tree form for a neat, upright habit
- � Late summer through fall bloomer
Tip: Prune in early spring to shape the canopy and promote more blooms.
Growing Zones: 5–9 outdoors
| Mature Height: | 8–10 feet |
| Mature Width: | 4–6 feet |
| Sunlight: | Full Sun |
| Botanical Name: | Hibiscus syriacus 'Amplissimus' |
| Growth Rate: | Moderate |
| Bloom Time: | Summer to Fall |
| Type: | Flowering Tree |
| Pollination: | Self-pollinating |
| Flower Color: | Magenta-Red |
| Foliage: | Green |
FAQ's
How tall does the Amplissimus Althea grow?
It typically grows 8–10 feet tall and 4–6 feet wide in tree form.
What makes this variety unique?
Its large, rich magenta-red blooms with a dark center make it stand out in the garden.
When does it bloom?
It blooms from midsummer into fall.
Is it good for pollinators?
Yes! Butterflies and hummingbirds are drawn to the flowers.
Is it deer-resistant?
Yes, it is generally considered deer-resistant once mature.
