Kerria Golden Guinea - -
Kerria japonica - Japanese Rose. - Deciduous arching graceful shrub. Buttercup like golden yellow flowers are borne along green shoots from mid-to late spring. Foliage is bright green. Requires full sun and well drained soil. Height 1.5m. Spread 2m.
Kerria japonica Pleniflora - Japanese rose. - Vigorous deciduous graceful shrub. Has green shoots and narrowly oval sharply toothed bright green leaves. Produces large buttercup-like double golden-yellow flowers from mid to late spring. Height and spread 3m.
Kerria japonica Variegata - Japanese rose. - A pretty small shrub with cream and pale green variegated leaves. Single yellow flowers April and May. Deciduous. Plant in a sunny situation.
Kniphofia - Red Hot Poker - Upright tufted plants with long leaves, in summer they carry showy, brightly coloured pokers in dense spikes on tall bare stems. Tolerant of wind and coastal locations.
Kniphofia hyb Alcazar - - 3ltr Perennial
Kniphofia hyb Alcazar - Red Hot Poker - Grassy foliage which displays the pokers July/Sept. Ideal for hot sunny banks and borders. Good drainage preferred.
Kniphofia hyb Bressingham Yellow - - 3ltr Perennial
Kolkwitzia amabilis Pink Cloud - - Deciduous arching shrub that bears a mass of bell shaped pink flowers amid small oval mid green leaves in late spring and early summer. Height and spread 3m. Requires full sun and well drained soil.