Betel leaf Piper betle
Betel leaf (Piper betle) is an evergreen perennial herb in the Piperaceae family, native to South and South-east Asia. It grows 1.5–5 m (4.9–16 ft) tall and 50 cm–1 m (20 in–3.3 ft) wide, wants part sun to part shade and high water, and is hardy to about 10 °C (50 °F). Space plants about 80 cm (31 in) apart.
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Betel leaf at a glance
| Type | Perennial herb, evergreen |
|---|---|
| Family | Piperaceae |
| Mature height | 1.5–5 m (4.9–16 ft) |
| Mature spread | 50 cm–1 m (20 in–3.3 ft) |
| Spacing | 80 cm (31 in) centre to centre |
| Sun | Part sun to part shade, at least 3 h of direct sun a day |
| Water | High; drought tolerance none, waterlogging tolerance none |
| Soil pH | 5.5–7.5 |
| Cold hardiness | About 10 °C (50 °F) once established (roughly USDA zone 12) |
| Heat stress | Likely above about 36 °C (97 °F) |
| Flowering | about 52–104 weeks after planting, for 9–17 weeks |
| Wind tolerance | None |
| Pollinator value | None |
| Edible | Yes: leaves (paan wraps) |
| Native to | South and South-east Asia |
| Common in gardens of | 🇮🇳 India, 🇮🇩 Indonesia, 🇲🇾 Malaysia, 🇻🇳 Vietnam, 🇵🇭 Philippines, 🇹🇭 Thailand |
Is Betel leaf toxic?
- People: moderately toxic
- Cats: mildly toxic
- Dogs: mildly toxic
- Parts: leaves (with areca nut)
Chewed with areca nut, betel quid is a recognised cause of oral cancer (IARC).
If a child or pet may have eaten part of a plant, call a poison centre or vet straight away.
Companion planting: what to grow with Betel leaf
No well-documented helpful pairing. Group it with plants that like part sun to part shade and high water.
Questions about Betel leaf
- How far apart should I plant Betel leaf?
- About 80 cm (31 in) apart, centre to centre. A mature plant spreads 50 cm–1 m (20 in–3.3 ft).
- Does Betel leaf need full sun?
- Part sun to part shade: at least 3 hours of direct sun a day.
- How much water does Betel leaf need?
- High water. Drought tolerance is none and waterlogging tolerance none.
- How cold-hardy is Betel leaf?
- It tolerates about 10 °C (50 °F) once established, roughly USDA zone 12.
- When does Betel leaf flower?
- About 52–104 weeks after planting, for 9–17 weeks.
- Is Betel leaf poisonous to cats and dogs?
- For cats it is mildly toxic; for dogs mildly toxic; for people moderately toxic. Chewed with areca nut, betel quid is a recognised cause of oral cancer (IARC).
- What grows well with Betel leaf?
- There is no well-documented companion pairing for Betel leaf. Group it with plants that like the same sun (part sun to part shade) and water (high).
Sources and evidence
Evidence grade B (B: extension service or peer-reviewed).
- PROSEA: Plant Resources of South-East Asia, PROSEA Foundation, Bogor
- Plants of the World Online (taxonomy, native range), Royal Botanic Gardens, Kew
Notes and assumptions
- Climbs by roots on poles or trees in humid shade; grown in screened “betel vineyards”.
Reference values for planning, not horticultural, veterinary or medical advice. Varieties, soils and local climates differ: check with a local nursery or extension service.
Related plants
- Black pepper Piper nigrum
- Lolot (wild betel) Piper sarmentosum
- Kawakawa Piper excelsum
- Ashanti pepper (West African black pepper, uziza) Piper guineense
- Baby rubber plant (blunt-leaved peperomia) Peperomia obtusifolia
- Emerald ripple peperomia Peperomia caperata
- Basil Ocimum basilicum
- Rosemary Salvia rosmarinus