Native box (Bursaria spinosa)

Native box

Also known as: Prickly box, Thorn, Australian blackthorn, Native blackthorn, Prickly pine, Thorn box

Native box (Bursaria spinosa) grows as a shrub or small tree that is sometimes planted ornamentally, but has the potential to spread invasively in moist habitats. This plant produces nectar from its white flowers that attracts butterflies and moths, and it is also a popular roosting plant for birds. It feeds livestock and wild mammals and also attracts a great range of pollinating beetles.

Scientific classification

Species

Native box (Bursaria spinosa)

Carrots, ivies and allies

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Perennial

Lifespan

Tree, Shrub

Plant Type

Fall

Bloom Time

10 m

Plant Height

1 m to 3 m

Spread

Green

Leaf Color

1 cm

Flower Size

Images of Native box

Care Guide for Native box

Every 3 weeks

Water

Full sun

Sunlight

Water: Native box thrives with minimal water, requiring watering every three weeks after establishment, allowing soil to dry out. Drought tolerant and suited for temperate regions, native box adapts well to seasonal rain patterns, necessitating less gardener intervention.

Fertilize: Fertilizing native box enhances growth and flowering with balanced fertilizers year-round and high nitrogen during growth phases. Fertilize biannually in spring and fall, avoiding over-fertilization. Adjust based on seasons, using nitrogen-rich formulas in growth stages and balanced ones during dormancy. Water native box before fertilization to prevent root burn.

Pruning: Native box is a prickly shrub ideal for hedging. Prune in early spring, removing dead branches and trimming back one-third of new growth for density. Use clean tools for quick healing. Pruning improves airflow, sunlight access, and reduces disease risks. Avoid pruning during bird-nesting season.

Propagation: Native box thrives in resilient conditions and prefers propagation from viable seeds sourced from nurseries. Use a well-draining seeding mix and maintain consistent moisture without waterlogging. Handle seedlings delicately during transplantation and provide ample sunlight for healthy growth, enhancing native biodiversity.

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