Hydrangea ‘Mariesii’ is a lacecap hydrangea with pale-pink to pale-blue domed flower heads (depending on soil pH). Deciduous shrub flowering from mid-summer. Fully hardy, this is a useful plant for shrub borders or specimen planting. Likes moist, well-drained, moderately fertile soil (humus-rich) in sun or partial shade. Shelter from cold drying winds.