Erysimum 'Bowles Mauve'
A perennial wallflower with numerous clusters of rich purple coloured flowers on long racemes from spring to summer.
Lithodora 'Heavenly Blue'
Brought over to the UK in 1825, this alpine has beautiful, bright sky-blue flowers for most of the summer.
Helleborus orientalis hybrid 'Yellow Lady'
Round, mostly upright yellow flowers. 80% true to colour.
Geranium 'Rozanne' (P)
Marbled leaves with a soft velvety texture and large, cupped, blue flowers with white centres and maroon veins in late summer.
Heuchera 'Marmalade' (P)
A great garden performing amber coloured Heuchera. Spring foliage is more purple and summer becomes more red.