Hydrangea macrophylla 'Horheart' (Edgy® Hearts Hydrangea)
Botanical Information
| Family | Hydrangeaceae (Saxifragaceae) |
| Genus | Hydrangea |
| Species | macrophylla |
| Cultivar | 'Horheart' |
| Registered Name | Edgy® |
| Patent Number | USPP 22,368 |
| Category | Woody |
| Type | Shrub (deciduous) |
| Origin | Proven Winners® ColorChoice® Flowering Shrub. |
| Pronunciation |
Details
| USDA Hardiness Zone | 5 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4 - 6a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -29 - (-23) |
| Temperature (°F) | -20 - (-10) |
| Height | 1.2 m |
| Spread | 1.2 m |
| Growth | Medium |
| Flowering Period | June, July, August |
Description and Growing Information
| Shape | A rounded mound. |
| Landscape | Beautiful addition to a mixed border, or to a cut flower garden. |
| Cultivation | Grow in partial shade in a moist, well-drained soil. Flowers grow on previous years growth, so it is important not to prune too harshly when shaping. Aluminum sulfate may be added to the soil to encourage blue coloured flowers. |
| Habitat | Horticultural origin. |
| Leaf Description | Glossy green leaves. |
| Flower Description | Flowers appear in dense clusters, and are usually pink with a white line along the margin, however can become blue with the addition of aluminum sulfate to the soil. |
Photographs
