Malus domestica 'Rankthorn'

RHS Plant Profile
apple 'Rankthorn'

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Fruit Edible Trees

A mid-season dessert apple with yellow skin flushed and striped with dark red, and soft, white, sweet, aromatic flesh. A vigorous tree, requiring a group 4, 5 or 6 pollinator. Fruit is ready to pick early autumn and keeps to late autumn

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity
10–20 years
Max Spread
4-8 metres
Max Height
4-8 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained or 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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rosaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy, Spreading branched
Genus
Malus are small to medium-sized deciduous trees with showy flowers in spring and ornamental or edible fruit in autumn; some have good autumn foliage colour
Name Status
Unresolved

How to Grow

Cultivation

Prefers a deep, fertile, moist but well-drained, neutral soil in a sheltered, sunny position. Will not thrive on very acid soils, shallow chalk soils or with shade for more than half the day. May require fruit thinning to improve fruit size and quality. See Apple cultivation

Propagation

Propagate by grafting in midwinter or budding in late summer. Fruit grown from pips will not resemble the parent

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Edible fruit
  • Wall side borders

Pruning

Prune according to chosen training method. See Apple pruning

Pests

May be susceptible to aphids, including woolly aphid and rosy apple aphid, fruit tree red spider mite, codling moth and other caterpillars

Diseases

May be susceptible to apple canker, apple scab, blossom wilt, brown rot, fireblight, honey fungus and powdery mildews