Mandarin Orange Growing Guide

Citrus reticulata

Crop Rotation Group

Miscellaneous ●

Soil

Fertile, well-drained soil with a slightly acidic pH.

Position

Full sun.

Frost tolerant

Very limited. Mandarin oranges are semi-tropical trees with little tolerance for cold.

Feeding

Feed twice a year by spreading a balanced organic fertiliser over the root zone of the tree.

Spacing

Single Plants: 6.00m (19' 8") each way (minimum)
Rows: 6.00m (19' 8") with 6.00m (19' 8") row gap (minimum)

Sow and Plant

Better mandarin orange cultivars are grafted onto sour orange rootstocks to improve vigour and pest resistance. Set out purchased plants in late winter or early spring, setting the plant so the root ball is 2 cm (1 inch) above the soil line. Water deeply every 10 days during periods of dry weather. Mandarin oranges are self-fertile so can be grown as single specimens. In containers, plant mandarin oranges in the largest planter you can manage if you live in a cold climate where the plant will be brought indoors in winter.
Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area.

Notes

Native to China and Japan, mandarin oranges are semi-tropical trees with thorny branches. The upright trees grow to 6 m (20 feet) or more, so it is difficult or impossible to provide temporary cold protection for them. Young mandarin orange trees need regular pruning to help them grow into a balanced shape. Prune these little trees in late winter, after the fruits have been harvested but before blooming begins.

Harvesting

Mandarins turn bright orange as they ripen. Sample large fruits for flavor, and harvest before fruits start falling to the ground. Clip fruits from the tree to avoid tearing holes in the delicate rinds. Keep harvested fruits in a cool place.

Planting and Harvesting Calendar

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Pests which Affect Mandarin Orange

Aphids (General)

Slug

Snail