Rhododendron 'Catawbiense Boursault’

Rhododendron 'Catawbiense Boursault': Lavender Spring Trusses on a Sturdy Evergreen Frame

Rhododendron 'Catawbiense Boursault' delivers a classic rhododendron look with large trusses of lavender flowers that light up the garden in mid-spring. Broad evergreen foliage keeps the shrub handsome year-round, creating strong structure long after the blooms fade. Its habit is sturdy, dense, and upright, with a uniform branching pattern that looks naturally well-built in the landscape. With a moderate growth rate, it settles in steadily and rewards patience with reliable seasonal impact.

Plant Characteristics:

• Height: 5’
• Spread: 6’
• Flower Colour: Lavender
• Flowering Period: Mid-spring
• Foliage: Broadleaf evergreen foliage
• Sunlight Requirements: Part Shade
• Soil Requirements: Moist, well-drained, acidic soil rich in organic matter

Uses and Benefits: A strong anchor shrub for woodland borders, shaded foundation plantings, and mixed evergreen groupings where you want spring colour plus year-round presence. The lavender trusses brighten dappled light beautifully, and the dense, upright form adds confidence and structure to layered plantings. It’s especially effective planted in groups, where the uniform branching creates a full, cohesive evergreen backdrop.

Care Instructions: Plant in acidic, organic-rich 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 lightly right after flowering by removing spent trusses and any winter-damaged stems; avoid heavy pruning, which can reduce next year’s bloom. Shelter from harsh winter wind where possible to protect foliage and flower buds.

History: A Catawba rhododendron selection, 'Catawbiense Boursault' is valued for its classic lavender flower trusses, broad evergreen foliage, and a sturdy, upright habit with uniform branching. It has remained a dependable choice for traditional shade gardens and evergreen landscapes.

Final Thoughts: For timeless spring colour and evergreen structure that looks strong in every season, Catawbiense Boursault is a reliable, landscape-defining shrub that never feels out of place.