Malus 'Adirondack'

RHS Plant Profile

crab apple 'Adirondack'

Synonyms

Malus 'Admiration'
Malus Admiration

Trees

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A small, strongly upright-growing, deciduous crab apple tree. Large, waxy, white flowers open in spring from deep carmine buds, followed by spherical, red fruit 1cm across

Position

Full sun

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

Aspect: South–facing or West–facing or East–facing or North–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: Columnar upright
Potentially harmful: Although generally edible when cooked, seeds contain toxins so these should be removed if you are considering eating the fruitusually grown as an ornamental shrub. see the HTA guide to potentially harmful plants for further information and useful contact numbers
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

How to Grow

Cultivation

Grow in moderately fertile soil in a sunny spot

Propagation

Propagate by chip budding in late summer. Grafting can be carried out in midwinter

Suggested planting locations and garden types

City and courtyard gardens
Architectural
Cottage and informal garden
Wildlife gardens

Pruning

Pruning group 1

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