Betonica macrantha

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Synonyms

Stachys grandiflora
Stachys spicata
Stachys macrantha
Betonica grandiflora

Plants for pollinators
Herbaceous Perennial
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An upright perennial to 60cm tall, with neatly toothed, oblong leaves and hooded pinky-purple flowers, 3.5cm long, in dense spikes in summer and early autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun Partial shade
Aspect
West–facing or East–facing or South–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Betonica is a genus of native perennial wildflowers with narrow, oval leaves on upright stems. Bright purple to red flowers appear throughout the summer and into early autumn.
Name Status
Correct
Plant Range
SW Asia

How to Grow

Cultivation

Grow in moderately fertile, well-drained soil in full sun or partial shade

Propagation

Divide in spring. Propagate by seed in spring or autumn and keep in a cold frame

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Remove flowered stems

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to powdery mildews