• 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

Lythrum virgatum 'Dropmore Purple'

wand loosestrife 'Dropmore Purple'

  • Other common names wand loosestrife 'Dropmore Purple'

  • Family Lythraceae

  • Genus Lythrum can be annuals or herbaceous perennials, with simple leaves in opposite pairs and small star-shaped flowers in leafy racemes

  • Details L. virgatum 'Dropmore Purple' is a clump-forming perennial with narrow hairless mid-green leaves and reddish-purple flowers in loose open flower spikes from summer to autumn

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • 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

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Loam

    Loam

  • Clay

    Clay

  • MoisturePoorly-drained

  • SoilLoam, Clay

  • pHNeutral, Acid, Alkaline

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in any reliably moist soil in full sun

Propagation Propagate by division in spring

Suggested planting locations and garden types Flower borders and beds Low Maintenance City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants Prairie Planting

How to care

Pruning Deadhead after flowering to prevent self-seeding

Pests May be damaged by slugs and snails

Diseases Generally disease free

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.