Bitter orange tree growing tree of the genus citrus also known as Sour orange or Citrus aurantium. Bitter orange tree grow as perennial evergreen with thorns, fruits edible and can be used also as ornamental plant, it can grow in tropical, subtropical or mediterranean climate and growing in hardiness zone 9+.
Flowers are white with purple with yellow stamen, fruit size ~5-8 cm.
Bitter orange tree fruit
Fruit rind color orange, the rind is edible little bitter also used as flavor and fragrant. The fruit taste is bitter with sour and color is mostly orange, but can yellow. The inner fruit divided by segments, the segment cover with soft thin layer, it containing the pulp (little cones covered with a thinner layer).
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Requirements for Bitter orange tree growing and care:
Well drained soil
What is the best way to start growing?
Plant / Seed / Air layer
Is it necessary to graft?
Not but possible, if needed specific cultivar possible it’s not hard, but can start from seeds
Difficulties or problems with growing Citrus aurantium:
When the tree young very sensitive to citrus leaf miner, thorns
Spring to summer in hardiness zone 10a, spring or autumn hardiness zone 10b-11a, possible also in summer and winter the main problem it’s hot and cold days that might cause future problem and even kill the plant, hardiness zone 11b+ planted all year
Pests and diseases:
Citrus leaf miner, aphids, citrus foot rot, ant, citrus gummosis
End of the winter to spring, better after the fruits
How to prune a Citrus aurantium:
Dead branch, cross branch, too much density
Size of the plant?
4-10 m, 12-30 feet
Growth speed in optimal condition:
Small amount of water / Medium amount of water / Big amount water, strong plant that not effect easily by the amount of water, few years until establish
Light conditions in optimal condition for growing:
Full Sun possible half shade but will bear less fruits
Is it possible to grow as houseplant?
Growing is also possible in a planter /flowerpot / containers:
Yes, possible to grow it as bonsai, and also possible to grow it as small tree 1-2m height
Summer / Autumn
General information about the flower:
Flowers are white with yellow stamen
Thinning the bloom:
The first year should thinning the flowers
Pollination is done by:
When does yield:
Autumn / Winter
Pests or diseases in fruit:
Citrus stubborn disease, citrus black spot, alternaria
What can be done with big quantities of Bitter orange tree fruits?
Eat, juice, the rind used fragrant, fruit leather, sugary rind
Work requirements on the fruit:
pick up (sometimes cut brunches that grow into the fruit)
How long does it take for to bear fruits?
Ripening of fruit:
Possible to pick up the fruit before and let them ripening them in the house