Ginkgo biloba 'Horizontalis'

RHS Plant Profile

maidenhair tree 'Horizontalis'

Trees Shrubs

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A deciduous tree with mid-green, distinctive fan-shaped, bilobed leaves, up to 2.5 meters in height. Horizontally spreading branches, can be grafted onto a standard height stem for a larger specimen, the autumn colour on this cultivar is less vibrant than most Ginkgo biloba cultivars.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 10–20 years
Max Spread: 2.5-4 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: East–facing or North–facing or South–facing or West–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
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ginkgoaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Potentially harmful: Seeds harmful if eaten. Wear gloves and other protective equipment when handling. Seed TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Ginkgo are large deciduous trees, developing an irregular, spreading crown with age, fan-shaped, 2-lobed leaves, and on female trees, unpleasantly scented yellow fruits each containing a single large seed
Name Status: Unresolved

How to Grow

Cultivation

Grow in well-drained soil in full sun. Tolerant of atmospheric pollution. Excellent specimen tree with good autum colour. For more information see tree cultivation

Propagation

Propagate by semi-ripe cuttings

Suggested planting locations and garden types

Architectural
Low Maintenance
Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus (rarely)