Xanthocyparis nootkatensis 'Green Arrow'

RHS Plant Profile

Nootka cypress 'Green Arrow'

Synonyms

Chamaecyparis nootkatensis 'Green Arrow'

Conifers Trees

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A tall, slim, cone-shaped evergreen conifer with flat, weeping branches of scale-like blue to grey-green leaves.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

8-12 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 20–50 years
Max Spread: 1-1.5 metres
Max Height: 8-12 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid 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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Cupressaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Pendulous weeping, Columnar upright
Genus: Xanthocyparis are evergreen trees with much-branched sprays of small scale-like leaves and roughly spherical cones that mature in two years
Name Status: Accepted

How to Grow

Cultivation

Grows well in moist but well-drained soil. Tolerant of chalk soils but prefers slightly acidic soil. Excellent specimen conifer

Propagation

Propagate by grafting and semi-hardwood cuttings

Suggested planting locations and garden types

Architectural
Low Maintenance

Pruning

No pruning required, but shaped subjects, including hedges, will need trimming twice a year.

Pests

May be susceptible to aphids

Diseases

May be susceptible to honey fungus and phytophthora root diseases