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| Rhododendron calendulaceum Flame azaleaCulture: Light shade is best for this species in hot summer areas, preventing over-drying and reducing fading in the red-flowering cultivars. Placement of plants under tall limbed-up trees is ideal for providing the proper light. Moist, well-drained soil with a pH below 5.5 is ideal. In central Illinois, plants have held up reasonably well in dry soils. See Rhododendron catawbiense for more complete information on culture of this genus. The few insects and diseases that trouble this species are minor and infrequent.Usage: This bright addition to the landscape is useful as a specimen or border plant, or adds a nice naturalizing effect. They are especially nice massed together with a dark evergreen background. |