Woody > Hydrangea > Hydrangea macrophylla > Hydrangea macrophylla 'Horwack'
Hydrangea macrophylla
'Horwack'
Next Generation™ Pistachio Hydrangea
| Family |
| Hydrangeaceae |
| Genus |
| Hydrangea |
| Species |
| macrophylla |
| Cultivar |
| 'Horwack' |
| Category |
| Woody |
| Type |
| Shrub (deciduous) |
| Tradmarked Name |
| Next Generation™ |
| Patent Number |
| PPAF |
| USDA Hardiness Zone |
| 6 - 9 |
| Canadian Hardiness Zone |
| 5a - 8a |
| RHS Hardiness Zone |
| H7 - H3 |
| Temperature (°C) |
| -23 - (-4) |
| Temperature (°F) |
| -10 - 25 |
| Height |
| 1 m |
| Spread |
| 1.5 m |
Photographs
Description and Growing Information
Flowering Period
| Cultivation |
| Grow in partial shade in a moist, well-drained soil. Tends to be more winter hardy than many other H. macrophylla cultivars. |
| Shape |
| Forms a rounded mound. |
| Growth |
| Medium |
| Pests |
| Aphids may be an occasional nuisance. |
| Habitat |
| Horticultural origin. |
| Flower/Leaf Bud Description |
| Flower buds tend to form on old wood. |
| Leaf Description |
| Leaves to 15 cm in length, and are glossy green. |
| Flower Description |
| Flowers appear in dense clusters often starting green tinged chartreuse then developing a scarlet red to violet colouring with a chartreuse-green tinge and a small blue eye. |
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