An educational awards program of the Elisabeth Carey Miller Botanical Garden

RhododendronThe Hon. Jean Marie de Montague

hybrid rhododendron

Image © Briggs Nursery

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Outstanding Qualities This is the highly rated red rhododendron is the standard for all other reds. ‘The Hon. Jean Marie de Montague’, often affectionately shortened to “Jean Marie”, produces a profusion of large, bright red flowers in early to mid-May. These contrast nicely with its leathery deep green leaves. Plant Himalayan white birch (Betula utilis var. jacquemontii nearby for contrast with the red flowers or Japanese stewartia (Stewartia pseudocamellia) for fall color interest against the deep green leaves. This cultivar is sun tolerant.
Culture Hybrid rhododendrons are easy to grow in the Pacific Northwest. Provide rich, well-drained soil, supplemented with organic matter before planting. Rhododendrons are shallow rooting so require regular watering during the summer, especially in late summer when the flower buds form. This cultivar grows well in partial shade or full sun; provide extra summer water in full sun. To create a full and shapely shrub, pinch the new growth of this cultivar for the first few years.
Growing Habit ‘The Hon. Jean Marie de Montague’ will grow to about 5 feet tall in ten years and be slightly wider than high forming a shapely mound if given the space.
Hardiness USDA zones 6 to 9