Suitable for growing in beds, the yellow flowers giving a bright effect when massed. They will grow in any garden soil in a sunny spot. Seeds I may be sown when ripened, but this is I not necessary as the plants can easily be increased by division of roots.
B. salicifolia. Blooms from June to October. Height 2-ft.
B. speciosum. Flowers have dark I centre. Aug. to Sept. Height 4-ft.