Skip to site navigation

Aloysia citrodora AGM

Home  |  Plants > Plant Selector > Aloysia citrodora AGM

© RHS 2002

Characteristics

Plant type

Herbs - Culinary, Conservatory/Greenhouse or Shrub

Habit

Bushy

Toxicity

Resilience

Hardiness

H3 (half hardy - unheated greenhouse/mild winter)

Colour

Flower

White or Pale Purple in Summer

Foliage

Green in Spring and Summer

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

1.5-2.5 metres

Time to ultimate height

5-10 years


Preferred common name

lemon verbena

Family

Verbenaceae


Aloysia is can be deciduous or evergreen shrubs with simple, paired or whorled, very aromatic leaves and small flowers in spike-like inforescences

A. citrodora is a deciduous sub-shrub to 2.5m in height, with narrowly lance-shaped, strongly lemon-scented leaves and open panicles of tiny white or pale lilac flowers

Other common names

  • herb Louisa
  • lemon tree
  • lemon verbena
  • lemon-scented verbena
  • sweet-scented verbena
  • verbena oil plant

Synonym(s)

  • Aloysia citriodora
  • Lippia citriodora

How to grow

Sunlight

  • Full sun

Aspect

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

Cultivation

Easy to grow in well-drained soil in full sun. May need winter protection in northern Britain. Mulch in autumn to protect the roots. Under glass grow in a loam-based potting compost in full light

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Loam, Chalk or Sand

Propagation

Propagate by softwood cuttings

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Mediterranean Climate Plants or Wall-side Borders


How to care

Pruning

Pruning group 6 or pruning group 13 if well-trained

Pests

Generally pest free

Diseases

Generally disease free