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Monarda 'Beauty of Cobham' AGM

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© RHS 1998

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Fragrance

Leaf

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

Pink and Pale Purple in Autumn and Summer

Foliage

Green and Purple in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

bergamot 'Beauty of Cobham'

Family

Lamiaceae


Monarda can be annuals or clump-forming herbaceous perennials with aromatic, ovate leaves and terminal whorls of 2-lipped, tubular flowers from summer to early autumn

'Beauty of Cobham' is a clump-forming herbaceous perennial to 90cm in height, with aromatic, lance-shaped, purplish-green leaves. Terminal whorls of two-lipped, pale purplish-pink flowers 5cm in length have contrasting purple calyxes

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, East-facing or West-facing
  • Exposed or Sheltered

Cultivation

Grow in moderately fertile, humus-rich, moist but well-drained soil in full sun or partial shade. Protect from excessive winter wet and do not allow to dry out in summer. Lift and divide every three years.

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Loam, Clay or Sand

Propagation

Propagate by division in spring or root basal cuttings in spring

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds, Prairie Planting or Wildlife Gardens


How to care

Pruning

Deadhead regularly then cut stems down to the ground in autumn

Pests

May be attacked by slugs

Diseases

May be subject to powdery mildews