Herbaceous Perennial
a herbaceous perennial up to 20cm high with rather weak stems, green leaves, the lower ones rhombic or rounded and the upper ones oblong or linear, and flowers, 3.5cm long, whose petals do not overlap, and which are sometimes yellow, but usually violet-purple with darker rays and white and yellow centres, from spring to early summer in the wild, but in cultivation may be from spring to autumn
Position
Full sun, Partial shade
Soil Types
Chalk, Loam, Sand
Max Height
0.1-0.5 metres
Max Spread
0.1-0.5 metres