New Zealand Christmas Tree Plant Care
Metrosideros excelsa Sol. ex Gaertn.
Pōhutukawa, also known as the New Zealand Christmas tree, or iron tree, is a coastal evergreen tree in the myrtle family, Myrtaceae, that produces a brilliant display of red flowers, each consisting of a mass of stamens. The pōhutukawa is one of twelve Metrosideros species endemic to New Zealand.
Every 7–14 days
Full sun to partial shade
50–85°F
50–80%
What Is the New Zealand Christmas Tree?
New Zealand Christmas Tree (Metrosideros excelsa) belongs to the Myrtaceae family within the Metrosideros genus. New Zealand Christmas Tree is native to New Zealand. New Zealand Christmas Tree is also known as Pohutukawa, Rata.
New Zealand Christmas Tree displays a tall, upright tree growth habit, reaching up to 30 inches tall with a spread of approximately 15 inches. New Zealand Christmas Tree produces showy clusters of red, orange, or yellow flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a New Zealand Christmas Tree?
Metrosideros excelsa requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the New Zealand Christmas Tree Need?
New Zealand Christmas Tree thrives in full sun to partial shade light conditions. The optimal light range is 2000–10000 lux. Avoid placing New Zealand Christmas Tree in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
2000–10000 lux
What Temperature and Humidity Does the New Zealand Christmas Tree Prefer?
Metrosideros excelsa grows best at temperatures between 50°F and 85°F. New Zealand Christmas Tree prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
50–85°F
Humidity
50–80%
What Soil Mix Works Best for a New Zealand Christmas Tree?
Well-draining acidic soil with high organic content. Good drainage is essential for New Zealand Christmas Tree to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a New Zealand Christmas Tree?
Repot every 2-3 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a New Zealand Christmas Tree?
New Zealand Christmas Tree can be propagated through seeds, semi-hardwood cuttings.
Fertilizing
Every 6 months
During the growing season
Is the New Zealand Christmas Tree Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the New Zealand Christmas Tree?
New Zealand Christmas Tree is susceptible to aphids, scale insects, sooty mold. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the New Zealand Christmas Tree Need?
New Zealand Christmas Tree grows outdoors in USDA Zone 9a – 11b. Native to New Zealand, New Zealand Christmas Tree is adapted to warm climates. In cooler regions, grow New Zealand Christmas Tree as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 11b
Keep exploring plants
New Zealand Christmas Tree is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Metrosideros genus — compare its care with other Metrosideros species on PlantoScan.
New Zealand Christmas Tree tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
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