About

Aristolochia chilensis is a semi-hardy, evergreen vine that can reach heights of 6 meters. Its leaves are shaped like boomerangs and feature a marbled pattern of green and silver. During the summer, it produces tubular, curved flowers that can measure up to 15 centimeters tall. These flowers have rounded tops that are covered with white hairs and are arranged along the stems. They emit a strong odor to attract pollinators.

About the genus

Aristolochia includes both shrubs and herbaceous perennials, with many species exhibiting climbing habits. The leaves are typically heart-shaped or ovate. The flowers are characterized by an S-shaped calyx tube and lack petals, presenting in colors such as white, yellow, brown, or maroon, often featuring mottled patterns.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H3

Plant details

Plant type
Climber Wall Shrub, Conservatory Greenhouse
Habit
Climbing
Foliage
Evergreen
Height
4-8 metres
Spread
1.5-2.5 metres
Time to full height
5-10 years
Suggested uses
Patio and container plants
Native to
Chile
Fragrance
Flower
Toxicity
TOXIC if eaten. Wear gloves and other protective equipment when handling Pets (dogs): TOXIC if eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers

Care notes

Cultivation
Under glass grow in peat-free potting compost in bright filtered light. During the growing season water freely and apply a balanced liquid fertiliser monthly; water more sparingly in winter
Pruning
May be cut back to 2 or 3 nodes in spring if necessary
Propagation
Propagate by seed in spring or propagate by semi-ripe cuttings in summer
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility