Water
Water consistently, especially during establishment and dry periods. Allow the soil to dry slightly between waterings. Avoid waterlogging, as this can lead to root rot. Reduce watering in cooler months when growth slows.
Also known as Southern Rata
Southern Rātā (Metrosideros umbellata) is a large native evergreen tree from New Zealand, celebrated for its spectacular crimson flowers in summer.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Prefers full sun for best flowering and growth.
Moderate
50% intensity
Water regularly, allowing soil to dry slightly between waterings. Avoid waterlogging.
Well-drained
50% intensity
Moderate
50% intensity
Prefers mild to warm temperatures. Protect from frost.
Low
25% intensity
Fertilize sparingly in spring and summer with a balanced or acid-loving plant fertilizer.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water consistently, especially during establishment and dry periods. Allow the soil to dry slightly between waterings. Avoid waterlogging, as this can lead to root rot. Reduce watering in cooler months when growth slows.
Prune to shape and control size, typically after flowering. Remove any dead, diseased, or crossing branches. Hard pruning is generally not recommended, as it can stress the plant. Light shaping can be done anytime.
Propagate from semi-hardwood cuttings taken in summer or autumn. Use a rooting hormone to improve success rates. Cuttings should be placed in a well-draining potting mix in a humid environment until established.
Repot young plants every 2-3 years in spring. Mature trees are best left undisturbed. Use a well-draining potting mix, ideally with a slightly acidic pH. Ensure the new pot is only slightly larger than the current one.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Southern Rātā (Metrosideros umbellata)
Where Southern Rātā (Metrosideros umbellata) is found

Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Myrtaceae |
| Genus | Metrosideros |
| Species | Metrosideros umbellata |
Similar in genus Metrosideros
Answers based on plant encyclopedia data