Seeds from Clematis serratifolia Golden Tiara. Flowers are thick golden-yellow; set apart, by the blackish purple stamens. They first open campanulate but later spreading up to 7 cm across. ‘Golden Tiara’ provides a multitude of flowers that turn to silky grayish-white seed heads, which will add further interest in the winter garden. Terminal leaflets lanceolate, up to 6 cm. long and 2 cm wide. Hardy and disease resistant, with annual stems 2-3 meters long. Blooming July through October. Pruning mid-winter within 4 ft of the ground will promote growth and more productive flowering. Zones 3-7.