About

Chelone obliqua is a perennial that grows upright, reaching heights of up to 60 cm. It features leaves that are distinctly veined and toothed. The plant produces compact spikes adorned with flowers that are 2 cm long, displaying shades of deep pink or purple.

About the genus

Chelone comprises herbaceous perennials characterized by their paired, undivided leaves and compact spikes of tubular flowers with two lips. These blooms typically emerge from late summer through early autumn.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Poorly-drained
Aspect
South-facing, West-facing, North-facing, East-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Plant type
Herbaceous Perennial
Habit
Bushy
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden
Native to
USA

Care notes

Cultivation
Grow in deep fertile, moist soil in partial shade or sun. Tolerant of heavy clay soil, may also be grown in a bog garden; apply a deep mulch of organic matter in mid-spring
Pruning
Deadhead flower spikes as they fade
Propagation
Propagate by seed sown in containers in a cold frame in early spring; by division in spring; root soft tip cuttings in late spring or early summer
Pest resistance
May be susceptible to slugs and snails
Disease resistance
Generally disease-free