Myrtillocactus geometrizans

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Other common names

garambulla

Synonyms

Cereus geometrizans

Cactus Succulent
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A shrubby or tree-like branching cactus, to 4m tall in its native Mexico, with bluish-green, ribbed stems. Between 5-9 spines arise from each areole. Older plants produce funnel-shaped, white or cream flowers in early summer

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
5–10 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline 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)
H1B

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cactaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Spreading branched
Genus
Name Status
Correct
Plant Range
Mexico

How to Grow

Cultivation

Under glass, grow in standard cactus compost in full light with low humidity. From mid-spring to early autumn, water moderately and apply a low-nitrogen fertiliser monthly; keep almost dry at other times. Repot every other year. See houseplant cacti and succulent cultivation

Propagation

Propagate by seed or stem cuttings

Suggested planting locations and garden types

  • Houseplants
  • Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to mealybugs

Diseases

Generally disease-free