About

Aristolochia kaempferi is a noteworthy herbaceous vine characterized by its elongated, heart-shaped leaves that are yellow-green in hue. During early summer, it bears tubular flowers that are yellow with dark brown margins. The flowers emit a strong odor designed to attract flies for pollination. Following this, the plant develops brown, barrel-shaped seed pods featuring longitudinal ribs. As they mature and dry, these pods expand into a lantern-like structure.

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
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, North-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Plant type
Climber Wall Shrub, Herbaceous Perennial
Habit
Climbing, Trailing
Foliage
Deciduous
Height
1.5-2.5 metres
Spread
0.5-1 metres
Time to full height
1 year
Suggested uses
Cottage and informal garden, Patio and container plants, Wildlife gardens
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
Grow in deep, well-drained but moisture retentive soil in a sheltered position. Train up nearby shrubs or up support
Pruning
No pruning required
Propagation
Propagate by seed or softwood cuttings
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free