Light
Full sun / direct • approx. 40,000–80,000 lux




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Citrus × aurantium 'Canaliculata' is grown as much for its fruit shape as for the tree itself, producing heavily ribbed bitter oranges that look sculpted rather than smooth. Combined with glossy foliage and large, intensely fragrant white flowers, that makes it one of the most decorative citrus choices for a bright conservatory, terrace, or sunny indoor position. The fruit is bitter rather than dessert-sweet, but highly useful for peel, preserves, and classic marmalade-style applications.
To perform well, Citrus × aurantium 'Canaliculata' needs direct sun, a sharply draining citrus substrate, and consistent feeding while in growth. It rewards patient container culture with blossom scent, evergreen structure, and unusually fluted fruit that keeps its ornamental value even before you decide what to do with the harvest.
Quick Care Guide
Light
Full sun / direct • approx. 40,000–80,000 lux
Watering
Water when ~30–50% dry
Substrate
Airy • Fast-draining • Mineral-leaning • Fine-medium
Temperature
Ideal: 10–28 °C • Avoid below: 3 °C
Humidity
Moist 50–60 %
Growth habit
Upright woody shrub or tree.
Support
not needed
Growth speed
Average
Max size indoors
Max. height: 150 cm • Max. spread: 120 cm
Toxicity & safety
Toxic
Origin & habitat
Cultivar of Citrus × aurantium
These care values are practical reference points for indoor growing. Use them as a starting point, then adjust for your room, pot size, substrate, temperature and how quickly the plant dries.
For more context, read the full product description or visit our Plant Care Guides.
Practical outdoor cold limit
3°C
Best outdoors in
Mediterranean, Mild coastal
Protection
Frost-free wintering indoors
Plant names, growth habits, natural habitats and indoor care guidance are checked against trusted botanical, habitat and horticultural references before publication.View our plant care resources and references.