RHODODENDRON MARCEL MENARD RHODODENDRON MARCEL MENARD RHODODENDRON MARCEL MENARD (17 ratings) Rhododendron Marcel Menard | Discover our huge range of herbs, flowers, plants & shrubs for your garden | Nationwide delivery. €49.99 Out of stock. 0 in your basket View Basket Checkout Rhododendron ‘Marcel Menard’ is a tough variety, with dark green foliage and dark purple flowers that show a greenish speckling. Grow in moist but well-drained, acidic soil in full sun or shade. Plants need minimal pruning.