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Climber Wall ShrubConservatory GreenhouseHerbaceous Perennial

Maurandya barclayana
  • RHS AGM

Mexican viper

M. barclayana is a herbaceous climberwith soft, bright green, ivy-shaped leaves and flared, tubular flowers with white tubes and white, pink or dark purple petal lobes, produced in summer and autumn

Other common names
angels trumpet
Synonyms
Asarina barclaiana
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Size
Ultimate height
2.5–4 metres
Time to ultimate height
2–5 years
Ultimate spread
1.5–2.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Purple Pink White Green
Autumn Purple Pink White Green
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Plantaginaceae
Native to the UK
No
Foliage
Deciduous
Habit
Climbing
Genus

Maurandya are twining, woody-based, herbaceous perennial climbers. The leaves are triangular to broadly-oval, sometimes lobed, and the trumpet-shaped blooms are produced over a long period in summer and autumn

Name status

Correct

Plant range
Mexico

How to grow

Cultivation

Under glass grow in loam-based compost in bright light but with shade from hot sun. May also be grown as a tender annual outdoors in moist but well-drained soil in full sun

Propagation

Propagate by seed sown at 13-18°C in early spring, or root softwood cuttings with bottom heat in late spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • City and courtyard gardens
  • Mediterranean climate plants
  • Flower borders and beds
  • Wall side borders
Pruning

Remove dead top growth in autumn

Pests

Generally pest-free

Diseases

Generally disease-free

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