There areas well as cornflowers; both are suitable for the garden. One species is now included in the species Amberboa, but to save space it will be discussed under this heading.
Annual species are chiefly suitable for use as bedding plants, in annual borders and asfor . The perennial species can be used in the herbaceous border, but are also suitable for .
Annual cornflowers are not fussy as to soil; they will grow practically anywhere. Therequire porous, chalky soil, which must not be too damp in winter.
Theare sown in situ fairly late in the season, from late spring onwards. Only the scented cornflower can be sown from about the end of winter onwards in a warm environment. Hardy perennials can also be grown from ; they are sown in mid spring under glass or out of doors. In addition may be rooted , while Centaurea montana develops