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Due to Brexit, we are not able to deliver to the UK. We are working on a solution on how we can continue to bring a wide range of Lubera plants to the UK and directly to our customers' homes in the future. However, such a solution will not be available before 2022 or 2023.

Grooved Bitter Orange 'Canaliculata'

Citrus aurantium – the grooved bitter orange with the extravagant fruits

Grooved Bitter Orange 'Canaliculata'


Article number: 2193650


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£57.40 *

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Product information "Grooved Bitter Orange 'Canaliculata'"

The grooved bitter orange 'Canaliculata', like the similar Swiss bitter orange, has been successfully cultivated in Tuscany since the 16th century. With its grooved or ribbed fruits it is visually almost unmistakable. 'Canaliculata' has deep green leaves and a unique fragrance; it presents itself with many large, white flowers in the spring and is highly valued as an ornamental plant. The medium-sized fruits have grooves and are slightly flattened at the two ends. The yields of the grooved bitter orange 'Canaliculata' are relatively abundant and regular.

Using the fruits
The height of the grooved bitter orange 'Canaliculata' is not infrequently around three meters (as a tree or shrub) when taken care of well and it can even bloom several times a year. In a pot, the bitter orange, however, can be kept more compact by pruning. The idiosyncratic and comparatively strange variety from the genus of bitter oranges stands out due to the wrinkled, but very beautiful nature of their large fruits that have an average width of six centimetres. In their native countries, the unripe oranges and their leaves are used to make the petitgrain essential oil that is particularly popular there. The blossoms produce delicious teas as well as the extremely tasty orange blossom water. And of course, the bitter oranges in your garden can be used to make to the popular bitter orange marmalade, which makes you want more.

Repotting the bitter orange 'Canaliculata'
The best time for transplanting the grooved bitter orange 'Canaliculata' is in March, just before the plants in our climate are put outdoors again after the winter. Give the trees enough space, preferably in a sufficiently large container, which you should fill with potting soil (Lubera's Fruitful Soil No.1). Alternatively, you can use a different soil, but then, for structural stability and for drainage, perlite should be mixed. A new pot should always have at least 5 cm more diameter than the old one. The ideal pH should be between 5.0 and 7.0 and it must be monitored regularly. Fully grown, this beautiful bitter orange can reach a width of 1.5 to 2 metres.

Watering the bitter orange
Watering the grooved bitter orange 'Canaliculata' should always be economical. Therefore, on rainy days it is recommended to move the container under a sheltered rain shelter. If need be, fast drainage must be provided. This can be achieved through the coarse pores of the substrate (perlite, use of structurally stable potting soil) and through sufficiently large drainage holes in the pot, both of which will lead to rapid drainage. Dewy water is one of the biggest enemies of citrus plants and can quickly lead to untimely loss of leaves and the dying of branches.
If you have been cultivating citrus fruits for a long time, you have probably developed your very own watering method, for example, when the trees grow exclusively in the conservatory. Many citrus lovers practice watering in a completely different way and have considerable success: the pots with bitter oranges, such as the 'Canaliculata', are flooded almost to the brim and are not re-watered until they have dried to over half the depth of their planter. This method mimics, so to speak, the intense southern downpours and the subsequent period of drought. A prerequisite for this is a well-drained substrate and freestanding drainage holes on the bottom of the pot. This is achieved by not placing the pots directly on the ground, but on two narrow strips of wood, for example.
No matter which method you choose, it depends on how often the plant is watered. And less is almost always more! Too often and too wet soil is not ideal for the bitter orange – it has learned and experienced something different over millions of years...
Short description of the grooved bitter orange 'Canaliculata'

Growth: Vigorous and robust
Flowers: Large, white and strongly fragrant flowers
Fruit: Yellow fruits with a ribbed peel and isolated, elongated outgrowths; somewhat difficult to peel
Use: Due to the partly bitter taste with a sour note, this bitter orange is well suited for jam, lemonades and liqueur (the fruit peel can be used)
History: The somewhat bizarre grooved bitter orange 'Canaliculata' has been successfully cultivated in Asia and Southern Europe for several centuries
Hardiness/overwintering: Not frost hardy; optimal overwintering at 2-10°C; Minimum temperature at 0°C
  • Available April, May, June, July, August, September, October, November
  • Use greenhouses/winter gardens, for containers, South- and West-facing walls, as a specimen plant
  • Hardiness place in an unheated room during the winter
  • Soil moist, dry, moderately heavy, light, neutral, slightly acidic
  • Location full sun
  • Flower Colour white
  • Leaf Colour green

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