Lamium orvala

RHS Plant Profile
balm-leaved red deadnettle

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balm-leaved red deadnettle RHS 2002

Other common names

balm-leaved archangel, balm-leaved deadnettle, dragon flower, Hungary deadnettle

Herbaceous Perennial
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A clump-forming herbaceous perennial with attractive, green ovate leaves. Spikes of whorled, pinkish-purple flowers, to around 4cm in length, appear in late spring and summer

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full shade Partial shade
Aspect
West–facing or East–facing or North–facing
Exposure
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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
Lamium can be annuals or, more usually, perennials, with coarsely toothed ovate leaves and 2-lipped, tubular flowers borne in whorls forming a short spike
Name Status
Correct
Plant Range
C & S Europe

How to Grow

Cultivation

Best grown in moist but well-drained soil in a sheltered position in deep or partial shade

Propagation

Propagate by division in autumn or early spring

Suggested planting locations and garden types

  • Flower borders and beds
  • Ground cover
  • Underplanting of roses and shrubs

Pruning

After flowering, plants can be cut back to encourage fresh foliage cover

Pests

Generally pest-free

Diseases

Generally disease-free