× Crataemespilus grandiflora

RHS Plant Profile

haw-medlar

RHS

Synonyms

+ Crataegomespilus grandiflora

Trees

A small broad-headed tree with white flowers in spring and orange fruit in autumn. The hairy, occasionally lobed, leaves have an orange and yellow autumn colour

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 10–20 years
Max Spread: 2.5-4 metres
Max Height: 4-8 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: West–facing or South–facing or East–facing
Exposure: Exposed or 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
Name Status: Correct

How to Grow

Cultivation

Grow in any soil in full sun or partial shade

Propagation

Propagate by cuttings

Suggested planting locations and garden types

Cottage and informal garden
Architectural

Pruning

Pruning group 1

Pests

Caterpillars, aphids and gall midges may be found

Diseases

May be susceptible to fireblight, powdery mildews, honey fungus and rust diseases