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Echinocereus reichenbachii AGM

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© RHS 1960

Characteristics

Plant type

Cactus/Succulent or Conservatory/Greenhouse

Habit

Columnar/Upright

Resilience

Hardiness

H2 (tender - cool or frost-free greenhouse)

Colour

Flower

Pale Purple in Spring and Summer

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

10-20 years


Preferred common name

black lace cactus

Family

Cactaceae


Echinocereus can have deeply ribbed cylindrical or globose stems, sometimes forming clumps, and large funnel-shaped flowers

E. reichenbachii is a cactus with erect, cylindrical, ribbed, spiny stems to 35cm in height, bearing broadly funnel-shaped rosy-purple flowers 6-9cm across in spring and early summer

Other common names

  • cob cactus
  • lace cactus
  • merry widow cactus

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, not at all when dormant. Apply a balanced liquid fertiliser 2 or 3 times in the growing season

Soil

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

Propagation

Propagate by seed

Suggested planting locations and garden types

Drought Resistant


How to care

Pruning

No pruning required

Pests

mealybugs and scale insects can be a problem

Diseases

Generally disease free