Pachypodium lamerei

RHS Plant Profile
Madagascar palm

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A succulent shrub or small tree with thick, thorny stems bearing a cluster of narrow leaves near the apex, and terminal clusters of yellow-throated white flowers 10cm across in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1.5-2.5 metres
Max Height
2.5-4 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline

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)
H1A

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Apocynaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Pachypodium are shrubby succulents, mostly with thick, prickly stems, simple leaves and funnel-shaped flowers in terminal clusters
Name Status
Correct
Plant Range
Madagascar

How to Grow

Cultivation

Under glass, grow in standard cactus compost in full light. From late spring to early autumn, water moderately and apply a low nitrogen liquid fertiliser every 4-5 weeks. Keep dry at other times

Propagation

Propagate by seed at 19-24°C ( 66-75°F), or take stem-tip cuttings, in late spring

Suggested planting locations and garden types

  • Patio and container plants

Pruning

No pruning required

Pests

Vulnerable to aphids while flowering

Diseases

Relatively disease resistant