magnificent spires in summer above clumps of rich green foliage. Each small flower is a delicious cool White and the standard (the upper petal) is often a shade or two darker. A cottage garden staple, these splendid perennials are generally undemanding, but put on a long and spectacular display.
Height 50cm (20″).
SPACING 60cm (24in)
Position: full sun or partial shade
Soil: moderately fertile, well-drained, slightly acid, sandy soil
Rate of growth: average
Flowering period: June to July
Hardiness: fully hardy