Agarwood (eaglewood, krissana) Aquilaria crassna
Agarwood (eaglewood, krissana) (Aquilaria crassna) is an evergreen perennial tree in the Thymelaeaceae family, native to Indochina. It grows 10–25 m (33–82 ft) tall and 4–8 m (13–26 ft) wide, wants part sun to part shade and moderate water, and is hardy to about 8 °C (46 °F). Space plants about 3 m (10 ft) apart.
Plan Agarwood (eaglewood, krissana) in your garden →
Free. Draw your beds, then watch it grow through the year in 2D and 3D.
Agarwood (eaglewood, krissana) at a glance
| Type | Perennial tree, evergreen |
|---|---|
| Family | Thymelaeaceae |
| Mature height | 10–25 m (33–82 ft) |
| Mature spread | 4–8 m (13–26 ft) |
| Spacing | 3 m (10 ft) centre to centre |
| Sun | Part sun to part shade, at least 4 h of direct sun a day |
| Water | Moderate; drought tolerance low, waterlogging tolerance none |
| Soil pH | 5–7 |
| Cold hardiness | About 8 °C (46 °F) once established (roughly USDA zone 11) |
| Heat stress | Likely above about 36 °C (97 °F) |
| Flowering | from about March for 3–6 weeks (northern hemisphere; later in cold climates, earlier in warm ones) |
| Wind tolerance | Low |
| Pollinator value | Low |
| Edible | Not grown as food |
| Native to | Indochina |
| Common in gardens of | 🇹🇭 Thailand, 🇻🇳 Vietnam, 🇲🇾 Malaysia, 🇮🇩 Indonesia |
Is Agarwood (eaglewood, krissana) toxic?
- People: not known to be toxic
- Cats: not known to be toxic
- Dogs: not known to be toxic
Not reported as poisonous.
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 Agarwood (eaglewood, krissana)
No well-documented helpful pairing. Group it with plants that like part sun to part shade and moderate water.
Questions about Agarwood (eaglewood, krissana)
- How far apart should I plant Agarwood (eaglewood, krissana)?
- About 3 m (10 ft) apart, centre to centre. A mature plant spreads 4–8 m (13–26 ft).
- Does Agarwood (eaglewood, krissana) need full sun?
- Part sun to part shade: at least 4 hours of direct sun a day.
- How much water does Agarwood (eaglewood, krissana) need?
- Moderate water. Drought tolerance is low and waterlogging tolerance none.
- How cold-hardy is Agarwood (eaglewood, krissana)?
- It tolerates about 8 °C (46 °F) once established, roughly USDA zone 11.
- When does Agarwood (eaglewood, krissana) flower?
- From about March for 3–6 weeks (northern hemisphere; later in cold climates, earlier in warm ones).
- Is Agarwood (eaglewood, krissana) poisonous to cats and dogs?
- For cats it is not known to be toxic; for dogs not known to be toxic; for people not known to be toxic. Not reported as poisonous.
- What grows well with Agarwood (eaglewood, krissana)?
- There is no well-documented companion pairing for Agarwood (eaglewood, krissana). Group it with plants that like the same sun (part sun to part shade) and water (moderate).
Sources and evidence
Evidence grade C (C: plausible, mixed evidence).
- CABI Invasive Species Compendium, CABI
- Plants of the World Online (taxonomy, native range), Royal Botanic Gardens, Kew
Notes and assumptions
- Scented resin forms only in wounded, infected wood. Listed under CITES Appendix II, and critically endangered in the wild: trade needs permits, and planted trees need records.
Reference values for planning, not horticultural, veterinary or medical advice. Varieties, soils and local climates differ: check with a local nursery or extension service.
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