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Arisaema triphyllum


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Key information

Plant type

Summer/autumn blooming bulb

Flower colour

Purple, Light green





Skill level


photo by Marg Cousens, copyright GAP Photos (169304)

Plant details

An interesting species from North America with large tri-foliate leaves and green and purple-striped spathes in spring and early summer followed by clusters of conspicuous bright red fruits in autumn. It's perfect for adding an exotic touch to a shady border or jungle garden. Plant tubers 15-25cm (6-10in) deep in winter or spring. Grow in moist, well-drained soil in a cool, partially shaded site. Mulch in winter when the plants have died down and protect from late frosts in spring.

Family: Araceae

Genus: Arisaema

Species: triphyllum

Plant type: Summer/autumn blooming bulb

Flower colour: Purple, Light green

Foliage colour: Mid-green

Feature: Fruit

Sun exposure: Partial shade, Shade

Soil: Well-drained/light, Chalky/alkaline, Boggy

Hardiness: Hardy

Skill level: Experienced

Height: 45cm

Spread: 15cm

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