Callistemon 'Masotti'PBR

RHS Plant Profile
bottlebrush 'Masotti'

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Synonyms

Callistemon 'Masotti Mini Red'

Shrubs
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'Masotti' is a dense shrub with upright to lax stems bearing narrowly lance-shaped, blue- to grey-green fragrant leaves and bottlebrush-like spikes of red flowers in spring.

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
10–20 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun
Aspect
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)
H3

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Myrtaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Callistemon are evergreen shrubs with aromatic, linear to lance-shaped leaves and bottlebrush-like spikes of flowers in which the long colourful stamens are prominent
Name Status
Accepted

How to Grow

Cultivation

Avoid chalky soils, plant in moist, free-draing soil in a sheltered position. Grown in a pot, move out of cold wind / harsh frost

Propagation

Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types

  • Coastal
  • Patio and container plants
  • Mediterranean climate plants
  • Cottage and informal garden
  • Low Maintenance
  • Banks and slopes
  • Flower borders and beds
  • Wall side borders

Pruning

Prune to promote bushy habit and prevent flopping lower branches

Pests

May be susceptible to scale insect, mealy bug and glasshouse red spider mite

Diseases

May be susceptible to honey fungus