New Zealand Christmas Tree
Metrosideros excelsa
N/A
About this plant
Metrosideros excelsa, commonly called the New Zealand Christmas Tree or Pohutukawa, is a large evergreen tree known for its bright red flowers that bloom around Christmas time in New Zealand. It has dark green leaves and a spreading canopy, making it popular for ornamental use in gardens and parks. The tree is culturally significant in New Zealand and often symbolizes the holiday season.
Taxonomy
- Genus
- Metrosideros
- Family
- Myrtaceae
- Higher classification
- Order Myrtales
- Plant type
- Tree
- Lifespan
- Perennial
Origin & Distribution
- Native region
- New Zealand
- Distribution
- Native to New Zealand; cultivated in coastal areas of Australia, California, and other mild climates worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Normal
- Minimum
- -2 °C
- Maximum
- 30 °C
- Optimal
- 15-25 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 5.5-7.5
- Soil type
- well-draining loam or sandy soil
Watering. Water regularly during the first few years to establish roots. Once mature, it tolerates dry periods but benefits from occasional deep watering.
Fertilizing. Feed with a balanced fertilizer in spring and summer to support growth and flowering. Avoid excessive nitrogen which can reduce flower production.
Metrosideros excelsa is a hardy tree that prefers full sun and well-draining soil. It tolerates dry conditions once established but needs regular watering when young. Watch for root rot if overwatered and prune lightly to maintain shape.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- late spring to early summer
Bright red flowers, glossy dark green leaves, spreading canopy form
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, safe to have around children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen
- Pollen level
- Moderate
Metrosideros excelsa, also known as the New Zealand Christmas Tree, produces bright flowers that can release pollen. People who are sensitive to pollen might experience mild allergic reactions like sneezing or itchy eyes during its flowering season. To reduce exposure, avoid close contact during heavy blooming and keep windows closed if pollen is a problem.
Common problems
Overwatering can cause root rot. Poor drainage or heavy shade may lead to weak growth. Occasionally, pests like scale insects can appear.
Uses
Primarily grown as an ornamental tree for its striking flowers and shade. Also used in coastal landscaping due to salt tolerance.
Notes
Prune after flowering to maintain shape and remove dead wood. Repot young trees every 2-3 years if grown in containers. Sensitive to frost when young but becomes more tolerant with age.