Rhododendron maximum
Rosebay rhododendron

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Butterfly FriendlyPart ShadeShadeBird Friendly
Rosebay rhododendron
Rhododendron maximum

A beautiful, large, evergreen rhododendron for moist shade. The blossoms appear in early summer and are sought after by hummingbirds and butterflies. The flowers are either rose, light lavender or white with pretty olive green or orange spots. In the fall songbirds and small mammals eat the seed. This evergreen provides shelter and nesting for birds and other wildlife. This plant needs some room and will do well in moist, shady areas of your garden.

One of the hardiest and largest evergreen rhododendrons
Rose to lavender or white flowers put on quite a show!
Hummingbirds, butterflies and bumblebees go for the nectar and pollen
In the fall songbirds and other wildlife eat the seed
Evergreen foliage provides cover and nesting for birds
Belongs in the shadier and wetter areas of your landscape


Native Range

Found in moist, dense woods, steep stream banks and mountain slopes.

Interesting Facts

 During the summer months, bees hover at the top of the nest and vibrate their wings (much like a ceiling fan) to circulate the air and keep the nest nice and cool.


Ideally, azaleas like morning sun and filtered shade during the hottest part of the day. They can tolerate more sun if moisture is available. They prefer evenly moist yet well-drained soil, making them perfect for a woodland slope where the water would drain well. Rhododendrons and azaleas need slightly acidic soil that is rich in organic matter. Mulching helps keep the soil cool and moist. Prune after flowering if needed. 

Mature Size: 4-15ft. Tall x 5-15ft. Wide

Hardiness Zone: 4-7

Sun Exposure: Part Shade to Full Shade

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