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Echinopsis backebergii subsp. backebergii

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© RHS

Characteristics

Plant type

Cactus/Succulent or Conservatory/Greenhouse

Habit

Bushy

Resilience

Hardiness

old H1 (requires heated greenhouse/indoors)

Colour

Flower

Purple and Red in Spring and Summer

Size

Ultimate height

Up to 10 cm

Ultimate spread

0-0.1 metre

Time to ultimate height

2-5 years


Preferred common name

Backeberg echinopsis

Family

Cactaceae


Echinopsis can have spherical or cylindrical, heavily ribbed and spiny stems, with funnel-shaped flowers in spring or summer

E. backebergii subsp. backebergii is a cactus with solitary or clustered, deeply ribbed, globose stems to 5cm across, bearing brown to grey spines; flowers up to 9cm across, carmine-red to violet with a paler centre

Synonym(s)

  • Lobivia winteriana

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Sheltered

Cultivation

Grow under glass in a loam-based potting compost with added extra grit. Water moderately when in growth, sparingly when dormant. Apply a balanced liquid fertiliser 2 or 3 times in the growing season

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Sand or Loam

Propagation

Propagate by seed or offsets

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pruning

No pruning required

Pests

Susceptible to mealybugs

Diseases

Generally disease free