Overview
Bulnesia sarmientoi is a plant with a tree habit in the genus Bulnesia, part of the Zygophyllaceae family, with deciduous foliage. Bulnesia sarmientoi grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1b. Suggested uses include specimen tree and timber production.
About
Bulnesia sarmientoi, commonly known as guaiac or palo santo, is a deciduous tree belonging to the genus Bulnesia in the Zygophyllaceae family. It thrives best in full sun with a south-facing, sheltered aspect and prefers fertile, well-drained loam soil with a neutral pH. This tree is valued both as a specimen and for timber production. It is hardy to H1b in the UK and can be propagated by seed or grafting. Bulnesia sarmientoi is particularly notable in spring and summer.
Growing conditions
Best soil and position for Bulnesia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H1b
Plant details
Bulnesia sarmientoi size, habit and characteristics
- Habit
- Tree
- Foliage
- Deciduous
- Suggested uses
- Specimen tree, timber production
Care notes
Pruning and caring for Bulnesia sarmientoi
- Propagation
- Seed, grafting
- Pest resistance
- Susceptible to scale insects
- Disease resistance
- Susceptible to powdery mildew
Frequently asked questions
Where is the best place to plant Bulnesia sarmientoi?
Bulnesia sarmientoi prefers full sun. It suits sheltered positions.
What soil does Bulnesia sarmientoi need?
Bulnesia sarmientoi grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Bulnesia sarmientoi hardy in the UK?
Bulnesia sarmientoi has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.
How do I propagate Bulnesia sarmientoi?
Seed, grafting.