Bluebird Althea Tree
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Description
Hibiscus syriacus 'Bluebird' is considered the best of the blue flowering Althea. This blue hibiscus tree plant features abundant, flashy violet-blue single blossoms that each have a dark eye in the middle. The Blue Althea makes an ideal 6 to 8 foot hedge or an awesome stand alone show piece.
Characteristics
| Hardiness Zone Range | 5 - 10 |
Zones
Shaded areas show where this product grows.
USDA Hardiness Zones
A hardiness zone is a geographic area defined by average annual minimum winter temperatures, helping gardeners determine which plants can survive in their region. Developed by the USDA, the 13 numerical zones indicate cold hardiness—for example, a plant "hardy to zone 10" tolerates minimum temperatures of 30 to 40 °F (−1.1 to 4.4 °C).
Grows in zones: 5 - 10
This product grows in your zone!
A hardiness zone is a geographic area defined by average annual minimum winter temperatures, helping gardeners determine which plants can survive in their region. Developed by the USDA, the 13 numerical zones indicate cold hardiness—for example, a plant "hardy to zone 10" tolerates minimum temperatures of 30 to 40 °F (−1.1 to 4.4 °C).
