Gold Tide Forsythia Forsythia intermedia 'Courtasol' Description Blooms yellow flowers. Green foliage turns yellow in Autumn.Bloom Period: Early SpringGrowth Habit: Dwarf and spreading Mature Height: 1' to 2' (30 cm to 61 cm)Mature Spread: 2.5' to 3.5' (76 cm to 107 cm)Growth Rate: Moderate More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 5Cut flowersLandscape Use: Border/edging or garden accent