is a familiar sight in the herbaceous border – bright yellow Daisy-like borne freely on slender . The blooms are usually large and they are excellent for . The most popular species is C. grandiflora, a plant with the annoying habit of dying after a few years. Provided you have not planted it in heavy soil it will not be your fault if it dies – it is basically shorter-lived than the other species of garden Coreopsis. With all types provide support for the wiry stems and water when the weather is dry. Cut the shoots down to ground level in late autumn.
VARIETIES: The basic details of C. grandiflora are height 1.5 ft. Spacing 1.5 ft.
Flowering period: June-September, bloom diameter 2 in. Some named varieties are taller than the parent – ‘Badengold’ (3 ft), ‘Sunburst’ (2.5 ft), ‘Mayfield Giant’ (2.5 ft) etc, but one is a dwarf – ‘Goldfink’ (9 in.). C. verticillata bears yellow star-shaped flowers and ferny foliage. A compact bushy plant. 1.5-2 ft high – grow the variety grandiflora.
SITE AND SOIL: Any well-drained garden soil will do – thrives in sun or light shade.
PROPAGATION: Sowunder glass or outdoors in March. Alternatively divide clumps in autumn or spring.