• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Origanum laevigatum 'Herrenhausen'

Oregano 'Herrenhausen'

AGM plants

AGM plants have been through a rigourous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
Oregano 'Herrenhausen'

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  • Other common names Oregano 'Herrenhausen'

  • Synonyms Origanum 'Herrenhausen'

  • 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

  • Family Lamiaceae / Lamiaceae

  • Species 'Herrenhausen' is a woody-based herbaceous perennial forming a loose clump of wiry stems to 45cm, with small, ovate, purple-flushed leaves and heads of tubular pink flowers with deep purple bracts

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Fragrance Leaf

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H7

Colour

Sunlight

  • Full Sun

  • Aspect South-facing

  • Exposure Exposed

Soil

  • Chalk

    Loam

  • Chalk

    Chalk

  • Chalk

    Sand

  • MoistureWell-drained

  • SoilLoam, Chalk, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in poor to moderately fertile, well-drained, preferably alkaline soil in full sun. Dislikes winter wet

Propagation Propagate by division in spring. Propagate by basal cuttings in late spring

Suggested planting locations and garden types Garden Edging Flower borders and beds Cottage & Informal Garden Gravel Garden Mediterranean Climate Plants Rock Garden Patio & Container Plants

How to care

Pruning Cut back old, flowered stems in early spring

Pests Generally pest free

Diseases Generally disease free

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