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Umbellularia californica
headache tree
A spreading, evergreen tree eventually reaching to 20m tall but more usually reaching a height of around 10m in cultivation. Glossy, dark green, lanceolate leaves are strongly aromatic. Small clusters of creamy-yellow flowers in late spring may be followed by oval fruits to 2.5cm long ripening from green to purple
Other common names
balm of heavenCalifornian bay
see moreCalifornian laurel
Californian olive tree
Californian sassafras tree
Californian spice tree
Oregon myrtle
pepperwood
myrtle
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Size
Ultimate height
Higher than 12 metresTime to ultimate height
20–50 yearsUltimate spread
Wider than 8 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Cream Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | Green Purple | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H4Botanical details
- Family
- Lauraceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Spreading branched
- Name status
Correct
- Plant range
- NW North America
How to grow
Cultivation
Grow in any fertile, well-drained soil in full sun; provide shelter from strong, cold winds when young
Propagation
Propagate by seed or by semi-hardwood cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Mediterranean climate plants
- Patio and container plants
- Low Maintenance
Pruning
Pests
Generally pest-free
Diseases
Generally disease-free
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