Mariesi Bigleaf Hydrangea Hydrangea macrophylla 'Mariesi' Description Blooms pink lace-cap flowers. Flowers bloom on old and new wood. Dark green foliage.Bloom Period: Mid-summer until frostGrowth Habit: Upright and moundedMature Height: 3' to 4' (90 cm to 120 cm)Mature Spread: 3' to 4' (90 cm to 120 cm)Growth Rate: Moderate More Details Sun Exposure: Full morning sun to partial shadeCold Hardiness Zone: 5Cut or dried flowerLong bloomingPruning Tip: Do not prune, only remove spent flowers and dead/damaged stemsLandscape use: Garden accent