Azalea (Rhododendron 'Irene Koster')

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rhododendrons
Featured
Sun Requirements
Full Sun to Partial Shade
Uses
Cut Flower
Wildlife Attractant
Bees
Flower Time
Late spring or early summer, Spring
Flowers
Showy
Leaves
Evergreen
Life cycle
Perennial
Plant Habit
Shrub
Propagation: Other methods
Cuttings: Tip, Layering, Other: Tissue Culture
Detailed Information

The Azalea ‘Irene Koster’ is a hybrid azalea. To determine its likely geographic origin, we need to consider the parentage of azaleas in general, and what might have contributed to this specific cultivar.

* **Azaleas (Rhododendron species)** are native to several regions:

* **Asia:** Many azalea species originate from eastern Asia, particularly China, Japan, and Korea. These species have contributed greatly to the genetic background of many modern azalea cultivars.
* **North America:** A significant number of native azaleas are found in the southeastern United States.
* **Europe:** Some rhododendron species (related to azaleas) are native to Europe.

* **’Irene Koster’ Specifics:** This cultivar is part of the *Rhododendron* genus.

Considering this:

The Azalea ‘Irene Koster’ is most likely to have origins in **East Asia or North America (Southeastern US).** Hybrid azaleas often combine traits from both Asian and American species, with European hybridization playing a role in development.