Magnolia tamaulipana

RHS Plant Profile
Tamaulipas magnolia

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Synonyms

Michelia tamaulipana

Trees
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Large, spreading evergreen tree to 30m in height, with lustrous dark green leaves, grey-green beneath. Fragrant, creamy-white flowers to 15cm across, with 3 tepals and 6 petals, are produced in early to midsummer, followed by ovoid fruits to 9cm long in early autumn; from sub-tropical Mexico

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

wider than 8 metres

Size

Time to Maturity
20–50 years
Max Spread
wider than 8 metres
Max Height
Higher than 12 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but 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)
H4

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Magnoliaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Spreading branched
Genus
Magnolia can be deciduous or evergreen trees or shrubs, with large, showy, often fragrant flowers, often opening before the leaves, and sometimes followed by colourful cone-like fruit
Name Status
Correct
Plant Range
Mexico

How to Grow

Cultivation

Grow in moist, well-drained preferably neutral to acid soil in sun or part shade. Tolerates dry, alkaline soil. See magnolia cultivation advice. Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts

Propagation

Propagate by semi-ripe cuttings from late summer to early autumn or layering in early spring

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Sub-tropical
  • Low Maintenance
  • Wall side borders

Pruning

Pruning group 9 or pruning group 13 if wall-trained. See magnolia pruning

Pests

May be susceptible to scale insects, horse chestnut scale and capsid bug

Diseases

May be susceptible to coral spot, phytophthora, grey moulds, honey fungus, a virus or fungal leaf spot