Billardiera longiflora, commonly known as Purple Apple-Berry, is an evergreen perennial vine native to cool temperate rainforests, moist gullies, and coastal heaths of Tasmania and southeastern Australia. It typically grows to a height of 4-6 feet and a width of 2-3 feet, but can climb up to 10 meters when supported by tall trees or structures. The vine is characterized by its narrow, elliptical, dark green leaves and its distinctive fruit, which are shiny, electric purple/blue, apple-shaped berries that hang amid the foliage. The fruit is edible, though seeds should be removed before consumption. Purple Apple-Berry produces tubular flowers that are pale yellow, purplish, or green, about 2.5 centimeters in length, and are solitary with five petals attached by delicate hairs. The flowers, which are pleasantly scented and prominent from October to January, add ornamental value to the plant.

In cultivation, Purple Apple-Berry is valued for its unique fruit, attractive flowers, and evergreen foliage, making it suitable for ornamental gardens, as a climbing feature on trellises or fences, and in pots for patios. It prefers semi-shade to full sun, medium water requirements, and well-drained soils. While it can tolerate slow drainage, it thrives in conditions that mimic its native habitat. Mulching in winter can offer protection from cold temperatures. Propagation is possible from seeds or cuttings, with seeds requiring a dormant period to simulate natural germination triggers. Gardeners should be aware that the vine may need support and can become entangled if not managed. It is generally disease-resistant but may be susceptible to root rot in overly wet conditions.CC BY-SA 4.0