• AGM plants

    AGM plants have been through a rigorous 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

Lavandula pedunculata subsp. pedunculata

French lavender

  • Other common names French lavender

  • Synonyms Lavandula stoechas 'Butterfly'
    Lavandula 'Butterfly'

    Lavandula stoechas 'Papillon'
    Lavandula stoechas subsp. pedunculata

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  • Family Lamiaceae

  • Genus Lavandula are small aromatic evergreen shrubs with usually narrow, simple, entire, toothed or lobed leaves and small tubular flowers in dense spikes in summer

  • Details L. pedunculata subsp. pedunculata is a bushy evergreen shrub with narrow, grey-green leaves, and small violet flowers in long-stalked, dense ovoid heads tipped with large purple bracts

  • Plant range Iberian peninsula

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Fragrance Flower

  • 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)

    H3

Colour

Sunlight

  • Full Sun

  • Aspect West-facing or South-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilChalk, Clay, Loam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in well-drained soil in a sheltered, sunny position

Propagation Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types Banks and Slopes Drought Resistant Flower borders and beds Garden Edging City & Courtyard Gardens Rock Garden Coastal Cottage & Informal Garden Gravel Garden Patio & Container Plants Wildlife Gardens Mediterranean Climate Plants

How to care

Pruning Pruning group 10

Pests Can get rosemary leaf beetle and cuckoo spit (froghoppers)

Diseases Grey moulds may be a problem

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