Hamamelis x intermedia 'Arnold Promise' (Arnold Promise Witch Hazel or Hamamelis)
Botanical Information
| Family | Hamamelidaceae |
| Genus | Hamamelis |
| Species | x intermedia |
| Cultivar | 'Arnold Promise' |
| Category | Woody |
| Type | Shrub (deciduous) |
| Pronunciation |
Details
| USDA Hardiness Zone | 5 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -51 - (-21) |
| Temperature (°F) | -60 - (-5) |
| Height | 2.5 - 4 m |
| Spread | 2.5 - 4 m |
| Growth | Medium |
| Flowering Period | March |
Description and Growing Information
| General Description | Large deciduous shrub with a open habit. |
| ID Characteristic | Broad ovate leaves with small bright yellow flowers. |
| Landscape | Flower borders and informal gardens. |
| Propagation | The plant can be propagated through softwood cuttings, or it can be grafted in the winter. When propagating via softwood cuttings, keep cuttings moist for 8-10 weeks, with bottom heat of 20 °C either under mist or in a high humidity environment until well rooted, transplant into individual containers to grow on. Otherwise, grafting takes place onto the rootstock of Hamamelis virginiana. |
| Cultivation | Best grown in acid to neutral well drained soil. |
| Pests | No major issues. |
Photographs
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Awards
