Betonica officinalis 'Summer Sweets'PBR

RHS Plant Profile
betony 'Summer Sweets'

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Synonyms

Stachys officinalis 'Summer Sweets'

Plants for pollinators
Herbaceous Perennial
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A clump-forming perennial to 50cm, with scalloped leaves and upright stems of dense, terminal spikes of pale lilac-pink flowers appearing in summer and early autumn

Position

Full sun

Soil Types

Chalk, 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 Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or North–facing or South–facing or West–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)
H5
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
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
Accepted

How to Grow

Cultivation

Grow in well-drained soil in a sunny or lightly shaded position; dislikes winter wet

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Prairie planting
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead to prolong flowering

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free