Plant Type: Citrus trifoliata is a deciduous shrub or small tree, reaching heights of 8 to 20 feet (2.5 to 6 meters).
Leaves: The leaves are trifoliate, composed of three leaflets, which are glossy green and emit a citrus fragrance when crushed.
Flowers: Fragrant white flowers bloom in spring, often before the foliage appears, attracting pollinators such as bees.
Fruit: The fruit of Citrus trifoliata is small, round, and bumpy, resembling miniature oranges. They ripen to a bright orange color but are extremely sour and bitter, making them inedible for humans.
Thorny Branches: The branches are armed with sharp thorns, providing protection against browsing animals.
Known Range:
Native Range: Citrus trifoliata is native to East Asia, including China, Korea, and Japan.
Introduced Range: It has been introduced to various regions worldwide, including parts of North America, Europe, and Australia, where it is cultivated as an ornamental plant and used in horticulture.
Care Requirements:
Climate: Hardy Orange thrives in temperate climates and is tolerant of a wide range of soil types, including clay and sandy soils.
Sunlight: Plant in a location with full sun exposure to promote healthy growth and fruit production.
Watering: While Hardy Orange is drought-tolerant once established, regular watering is essential, especially during hot and dry periods.
Pruning: Prune to maintain desired shape and size, as well as to remove dead or damaged branches. Exercise caution due to the plant’s thorny nature.
Fertilization: Apply a balanced fertilizer in spring to support growth and fruit development.
Protection from Cold: Provide protection from extreme cold temperatures, especially in regions with harsh winters, as Citrus trifoliata is more cold-hardy than other citrus species but can still be damaged by freezing temperatures.
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