Japanese mock orange
Also known as
Japanese cheesewood, Tobira, Mock orange pittosporum
Keep this plant’s care guide close at hand.
Get the appAbout Japanese mock orange
Pittosporum tobira, commonly called Japanese mock orange, is a dense, evergreen shrub or small tree native to coastal East Asia. It forms rounded mounds of glossy, leathery, dark green leaves arranged in whorls at the stem tips. In late spring to early summer, it bears clusters of small, waxy, white flowers that age to cream and release a sweet orange-blossom fragrance. Woody capsules follow, splitting to reveal sticky, orange-brown seeds that attract birds. Mature plants typically reach 6–15 ft tall and wide, with dwarf and variegated cultivars available for compact spaces. This species thrives in well-drained soils, tolerates salt spray and wind, and is notably drought tolerant once established, making it a staple for coastal and Mediterranean-style landscapes. It accepts shearing for hedges and topiary, yet also looks elegant with selective thinning. Generally low-maintenance, it may encounter scale, mealybugs, aphids, and occasional fungal leaf spots in humid shade. Widely used as a hedge, screen, or foundation plant, it also adapts to large containers in bright light.
Taxonomy
Properties & Requirements
How to care for Japanese mock orange
Water
Water deeply and infrequently to encourage a broad, resilient root system. During the first growing season, irrigate weekly, allowing the top 2–3 inches of soil to dry between soakings. Once established, reduce to every 10–14 days in warm, dry weather, adjusting for rainfall and soil type. Container plants typically need water when the top 1–2 inches feel dry; ensure excess drains freely and never allow the pot to sit in water. Mulch 2–3 inches deep to conserve moisture, keeping mulch a few inches from the trunk.
Light
Full sun to light shade. Provide at least 4–6 hours of direct sun for dense growth and abundant bloom; too much shade leads to legginess and reduced flowering. In hot inland climates, afternoon shade prevents leaf scorch and reduces water stress. Indoors, place near a bright south or east window, or supplement with grow lights to achieve high brightness. Rotate containers periodically for even growth and avoid deep shade, which increases pest and disease susceptibility.
Nutrients
Pittosporum tobira is a light to moderate feeder. In-ground plants benefit from a single application of a balanced, slow-release fertilizer (e.g., 10-10-10 or 14-14-14) in early spring, with an optional light top-up in midsummer for poor soils. Incorporate compost or a thin mulch to boost organic matter and micronutrients. Container-grown specimens can be fed monthly at half-strength with a balanced liquid fertilizer during active growth. Avoid overfertilizing, which encourages weak, pest-prone shoots, and flush containers periodically to prevent salt buildup.
Temperature
Best performance occurs between 60–80°F (15–27°C). Outdoors it is hardy in USDA Zones 8–11, tolerating brief dips near 15–20°F (−9 to −6°C), though foliage may burn and young growth can be damaged. Provide wind protection during hard freezes and avoid sustained subfreezing periods. For container plants, overwinter in bright, cool rooms kept above 40–45°F (4–7°C). Avoid hot, reflected heat without adequate moisture, and acclimate plants gradually when moving between indoor and outdoor settings.
