Origanum vulgare 'Diabolo'

RHS Plant Profile
oregano 'Diabolo'

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Herbs - Culinary Herbaceous Perennial

A woody-based perennial herb, with a trailing habit, wiry stems and broadly oval, aromatic green leaves with a spicy flavour. Clusters of small pink flowers are produced in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Trailing, Clump forming
Genus
Origanum may be herbaceous perennials or deciduous or evergreen sub-shrubs, with aromatic foliage and spikes of small tubular flowers usually with conspicuous bracts
Name Status
Unresolved

How to Grow

Cultivation

Grow in poor to moderately fertile, well-drained, preferably alkaline soil in full sun. Protect from winter wet. See oregano cultivation for more detailed advice

Propagation

Propagate by division in spring, or by basal softwood cuttings in late spring

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Banks and slopes
  • Ground cover

Pruning

Cut back in autumn as foliage dies back

Pests

May be susceptible to aphids

Diseases

Generally disease-free