Arnold Promise Witch Hazel (Hamamelis × intermedia 'Arnold Promise')
Arnold Promise Witch Hazel (Hamamelis × intermedia 'Arnold Promise') is a large, upright, vase-shaped deciduous shrub with fragrant yellow flowers in late winter or early spring. Ribbon-like petals and red calyx cups bring color to the garden before the growing season is fully underway.
A hybrid of H. japonica and H. mollis, it also offers bright green oval leaves that turn yellow and orange in fall. Allow room for its mature size when using it as a specimen or woodland garden feature.
Growing details
- Plant type: Deciduous shrub
- Parentage: H. japonica × H. mollis
- Mature size: 12–15 feet tall and wide
- Spacing: Approximately 14 feet apart
- Hardiness: USDA zones 5–9
- Light: Full sun to part sun
- Soil: Moist, acidic, well-drained soil
- Flowers: Fragrant yellow blooms with ribbon-like petals and red calyx cups
- Bloom season: Late winter to early spring
- Fall color: Yellow and orange
Care and garden use
Water regularly and remove suckers to manage spreading. Watch for aphids, weevils, scale, leaf miners, powdery mildew, and occasional leaf spot or rots.
Use as a specimen, in grouped plantings, borders, woodland gardens, or urban gardens. Pair with Lenten rose, clematis, or redbud for complementary seasonal interest.
Plants naturally vary in appearance and may differ from the images shown.