New Zealand hawthorn (Discaria toumatou)

New Zealand hawthorn

new Zealand hawthorn is a remarkable thorny bush or tree that has been likened to barbed wire by some and is admired for its thick cylindrical spines. This deciduous plant has been reported as "At Risk – Declining" in its native environment. When cultivated, new Zealand hawthorn acts as a great border hedge.

Scientific classification

Species

New Zealand hawthorn (Discaria toumatou)

Roses, elms, figs, and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

Tree, Shrub

Plant Type

Spring, Summer

Bloom Time

1.5 m to 4 m

Plant Height

2 m to 3.5 m

Spread

3 mm to 5 mm

Flower Size

White

Flower Color

Images of New Zealand hawthorn

Distribution of New Zealand hawthorn

Distribution Map

New Zealand hawthorn is a plant originally native to the temperate regions of the southwestern Pacific. It has been introduced and cultivated in various other parts of the world. The spread of new Zealand hawthorn beyond its native range is evidenced by its presence in botanical collections and gardens, where it thrives under human care.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Tussock grassland, stony areas, river beds

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for New Zealand hawthorn

Every 2-3 weeks

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Originating from New Zealand's arid regions, new Zealand hawthorn exhibits strong drought tolerance and thrives on minimal moisture. Watering should occur every 2-3 weeks, aligning with its natural habitat. New Zealand hawthorn adapts its water storage capacity to respond to seasonal rain variations, showcasing resilience against changing weather conditions.

Fertilize: For new Zealand hawthorn, apply high nitrogen fertilizers biannually in spring and mid-summer, following package instructions. Reduce frequency in cooler seasons. Use controlled-release formulas and water thoroughly post-application to enhance nutrient uptake. Adjust amounts based on new Zealand hawthorn's size and soil fertility for optimal growth.

Pruning: New Zealand hawthorn thrives with early spring pruning, focusing on removing dead wood and thinning growth for better air circulation. This practice, aligned with its dormant phase, promotes healthy growth, mitigates disease risk, and enhances shape and aesthetics, ensuring robust development.

Propagation: New Zealand hawthorn is a resilient plant native to New Zealand, featuring sharp thorns. For propagation, semi-hardwood cuttings from healthy parents should be used, maintained in high humidity with stable temperatures. Applying rooting hormone and using a well-draining substrate aids in successful root development.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free