Rhododendron ‘Aglo’

Rhododendron 'Aglo': Bright Pink Bells with Maroon Autumn Flair

Rhododendron 'Aglo' lights up mid-spring with bright pink, bell-shaped flowers, each bloom finished with a richer red throat and gently wavy edges. The evergreen foliage is a deep, handsome green through the growing season, then shifts to maroon tones in fall for an extra layer of seasonal colour. With an open, mounded habit and a moderate growth rate, it settles in beautifully without feeling bulky or overgrown. It’s a classic rhododendron look with a lively, cheerful bloom display that reads beautifully in part shade.

Plant Characteristics:

• Height: 3–4’
• Spread: 3–4’
• Flower Colour: Bright pink with a red throat
• Flowering Period: Mid-spring
• Foliage: Dark green evergreen foliage, turning maroon in fall
• Sunlight Requirements: Part Shade
• Soil Requirements: Moist, well-drained, acidic soil rich in organic matter

Uses and Benefits: A beautiful choice for woodland edges, shaded foundation plantings, and mixed shrub borders where evergreen structure is just as important as spring bloom. The bright flowers bring colour into part-shade gardens, while the year-round foliage helps anchor plantings through winter and early spring. It also pairs naturally with other acid-loving shrubs, and the blooms are a welcome early-season nectar source for pollinators.

Care Instructions: Plant in moist, well-drained, acidic soil and mulch with pine bark or shredded leaves to keep roots cool and evenly moist. Water regularly during establishment and during dry spells, especially in summer heat. Prune only lightly, right after flowering, focusing on removing spent trusses and any dead or wayward growth. Avoid heavy pruning, and protect from harsh winter wind when possible for the best evergreen foliage finish.

History: 'Aglo' is a Weston selection, valued for its bright mid-spring bloom and dependable performance in cooler climates. It’s also noted as a parent of other hardy, compact rhododendrons, helping pass on its strong garden reliability and cheerful flower colour.

Final Thoughts: For a compact evergreen shrub that brings vivid spring colour and a subtle fall foliage shift, Rhododendron 'Aglo' is a polished, dependable choice for part-shade gardens.