New Zealand laurel - Corynocarpus laevigatus (Care, Characteristics, Invasive, Images, Toxic)

New Zealand laurel

Also known as: Karaka

The bitter pulp of the new Zealand laurel tree is edible, but use caution, as the fresh kernels are toxic. The Moriori people have historically been known to use a detailed processing method to eat the fruit, but the slightest error could have grave implications.

Scientific classification

Species

New Zealand laurel (Corynocarpus laevigatus)

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Toxic to Humans

Toxicity

Perennial

Lifespan

Tree

Plant Type

Mid spring, Late spring, Early summer

Bloom Time

Winter, Spring

Harvest Time

15 m

Plant Height

8 m

Spread

Green

Stem Color

Non-dormant

Dormancy

Evergreen, Deciduous

Leaf type

20 - 41 ℃

Ideal Temperature

Images of New Zealand laurel

Distribution of New Zealand laurel

Distribution Map

New Zealand laurel is naturally found in subtropical regions but has also been introduced to other continents such as Australasia, and Southern Asia. While cultivated for its appealing features, new Zealand laurel may be considered a plant that is sometimes thought to be mildly invasive in certain areas. Specifically in parts of the Pacific, where it is introduced, new Zealand laurel may have an impact on local ecosystems, thriving in environments outside its native range.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Coastal and lowland forest

Hemisphere Trend Curve

Northern

Sorthern

Culture

Garden Use

As a small evergreen tree with a shrubby growth habit, new Zealand laurel is best used as a hedge, screen, or espalier. It is commonly used in landscaping in its native range. It can also be grown in cut flower gardens, as its glossy evergreen leaves are used in flower arrangements.

Symbolism

Travelers Luck, Peace, Lust, Love

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Toxicity

Poisoning from new Zealand laurel occurs from accidentally eating its seeds, which contain the toxic alkaloid karakin. This can cause severe illness or death, with symptoms including violent convulsions, muscle spasms, paralysis, and physical distortion. Children are particularly at risk.}

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Quickly Identify New Zealand laurel

Narrow, upright growth reaching 25 to 40 feet (7.6 to 12.2 meters)

Oblong, glossy dark green leaves with sleek texture

Distinctive dark sheath in each leaf axil, shaped by fused stipules

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Care Guide for New Zealand laurel

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 41 ℃

Ideal Temperature

Water: Originating from coastal regions, new Zealand laurel thrives in moderate climates with consistent moisture and well-drained soil. Once established, it is drought-resistant, requiring watering every 1-2 weeks. As an evergreen, new Zealand laurel retains foliage year-round, needing less water in cooler months when growth decreases.

Fertilize: Use a high nitrogen fertilizer for new Zealand laurel to promote lush foliage, fertilizing monthly from spring to early autumn. Reduce winter feeding and ensure proper dosage. Water after application to distribute nutrients and prevent root burn. Adjust feeding according to the plant's lifecycle for optimal growth.

Pruning: New Zealand laurel features glossy green leaves and benefits from pruning between early and late winter. This practice aids in maintaining shape, encouraging healthy growth, improving air circulation, and enhancing its ornamental appeal while minimizing disease risk. Consult gardening resources for specific pruning techniques.

Propagation: Propagation of new Zealand laurel is ideally achieved through cutting and layering in spring. It can be moderately challenging, but with patience and proper care, it leads to successful new growth and enhanced root development.

Repotting: Repot new Zealand laurel every 2-3 years in spring, selecting a pot 20% larger to support its growth. After repotting, keep new Zealand laurel in indirect sunlight and avoid overwatering to promote recovery. No specific care issues are noted; general practices ensure healthy growth.

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