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Conservatory GreenhouseHouseplants

Anthurium schlechtendalii

A clump-forming, tender evergreen plant eventually to 3m tall and wide. Erect leaves to 1m long are oval to elliptic in shape with wavy margins and prominent veins. A greenish flower spathe tinged with purple surrounds a brown spike-like spadix to aprroximately 60cm long that may produce red, berry-like fruit

Synonyms

Anthurium crassinervium misapplied
Anthurium tetragonum

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Ultimate height

2.5–4 metres

Time to ultimate height

2–5 years

Ultimate spread

2.5–4 metres

Loam

Moisture

Moist but well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

East–facing or West–facing

Exposure

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)

H1A

Botanical details

Family: Araceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Clump forming
Potentially harmful: Humans/Pets: Harmful if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Anthurium are evergreen perennials, usually epiphytic and sometimes climbing, with large, simple or palmately lobed leaves, and spike-like flowering spadices each subtended by a colourful flat spathe
Name status: Correct
Plant range: Mexico, C. America

How to grow

Cultivation

Grow indoors in bright, indirect light, using an acidic potting mix of two parts ericaceous peat-free compost, one part perlite and one part orchid bark. Water freely and apply an orchid fertiliser every 2 weeks from spring to autumn. Provide high humidity by placing the container on a tray of moist gravel or pebbles. Water sparingly in winter, and keep above 18°C. See Anthurium cultivation for further advice

Propagation

Propagate by division, stem or rhizome cuttings and offsets in spring or summer; or propagate by seed at 24 to 27°C as soon as ripe

Suggested planting locations and garden types

Houseplants
Sub-tropical
Conservatory and greenhouse

Pruning

No pruning required, remove dead leaves or flower stems at the base

Pests

May be susceptible to mealy bugs and scale insects

Diseases

May be susceptible to leaf spot, and root root from overwatering

Get involved

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