Crataegus × media 'Plena' (d)

RHS Plant Profile

hawthorn 'Plena'

Synonyms

Crataegus × media 'Multiplex'
Crataegus laevigata 'Flore Pleno'
Crataegus oxyacantha 'Alboplena'
Crataegus oxyacantha 'Plena'
Crataegus alba 'Flore Pleno'
Crataegus laevigata 'Alboplena'
Crataegus laevigata 'Plena'
Crataegus × media 'Alba Plena'

Trees

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A rounded, deciduous thorny tree reaching a height of 8m. The oval green leaves are shallowly-lobed, up to 5cm long and turn yellow-red in autumn. This cultivar produces masses of double white flowers in late spring and early summer, followed by red berries in autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity: 20–50 years
Max Spread: 4-8 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: South–facing or North–facing or West–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Seeds contain toxins so these should be removed if you are considering eating the fruitusually grown as an ornamental shrub Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Crataegus are deciduous trees and shrubs, usually with spiny branches, lobed or toothed leaves, and clusters of creamy-white flowers followed by red or black fruits. Some have fine autumn colour
Name Status: Accepted

How to Grow

Cultivation

Grows well in most soils in sun or partial shade

Propagation

Propagate by grafting

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free but may be susceptible to a leaf spot, fireblight and honey fungus