Malus domestica 'Lord Derby' (C)

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'Lord Derby' is a mid to late-season culinary apple, in pollination group 3, which may grow up to 4m high depending on the rootstock chosen. Clusters of pale-pink flowers are produced in spring with mid-green, yellow-hued, large fruit in autumn. It is only partially self-fertile

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
West–facing or South–facing or East–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
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
Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Apples suitable for culinary use have a tart flavour and are best cooked or made into a puree

How to Grow

Cultivation

Thrives in deep, fertile, moist but well-drained soil in a sunny, sheltered position. Will not thrive on very acid soils, shallow chalk soils or with shade for more than half the day. Tree height will depend on the rootstock and training method. May require fruit thinning to improve fruit size and quality. See apple cultivation

Propagation

Propagate by grafting in midwinter or chip budding in late summer on a clonal rootstock for fruit. The rootstock will largely determine the vigour of the tree

Suggested planting locations and garden types

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

Pruning

Prune according to chosen training method, often twice a year; 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