How to grow Bitter orange

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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How to grow 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

Planting season:
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

Pruning season:
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:
Medium growing

Water requirement:
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 indoor 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

Blooming information

Bloom season?
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:

Edible Fruits

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?
1.5-3 years

Ripening of fruit:
Possible to pick up the fruit before and let them ripening them in the house

Scientific name:

Citrus aurantium

Blooming Seasons

Edible Parts

Culinary Uses

Flower Colors


Harvest season

Ornamental parts

Plant growing speed

Plant life-form

Plant uses

Planting season

Plants sun exposure

Watering plants

Hardiness zone