Safety note: This plant may be toxic to humans and pets. See toxicity details.
Long aristolochia (Aristolochia fontanesii) is a vigorous climbing plant known for its large, uniquely shaped flowers and attractive foliage, thriving in warm climates.
At-a-glance light, water, soil, and growing conditions from plant data
Bright indirect light
75% intensity
Prefers bright, filtered light; avoid prolonged direct sun which can scorch leaves.
Moderate
50% intensity
Allow topsoil to dry slightly between waterings; reduce in winter.
Well-drained
50% intensity
Average to warm
50% intensity
Thrives in temperatures between 18-24°C. Protect from frost and cold drafts.
Moderate
50% intensity
Feed with diluted balanced fertilizer during the growing season.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | Yes 5/5 intensity |
| Toxic for pets | Yes 5/5 intensity |
| Edible | No |
All parts of the plant are toxic if ingested.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly when the top 2-3 cm of soil feels dry to the touch. Avoid waterlogging the roots, as this can lead to root rot.
Reduce watering significantly during the winter dormancy period, allowing the soil to dry out more between waterings.
Prune to maintain shape and size, and to remove any dead, damaged, or crossing stems. This can be done in late winter or early spring before new growth begins.
Pinch back young shoots to encourage bushier growth if desired.
Propagate by semi-hardwood cuttings taken in summer or by root cuttings in late winter. Cuttings should be treated with rooting hormone and placed in a well-draining potting mix.
Maintain consistent moisture and warmth for successful rooting.
Repot young plants annually or every two years in spring, moving to a slightly larger pot with fresh, well-draining potting mix. Mature plants can be repotted less frequently, only when root-bound.
Ensure good drainage in the pot.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Long Aristolochia (Aristolochia fontanesii)
Where Long Aristolochia (Aristolochia fontanesii) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Piperales |
| Family | Aristolochiaceae |
| Genus | Aristolochia |
| Species | Aristolochia fontanesii |
Similar in genus Aristolochia
Answers based on plant encyclopedia data
