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The rough lemon tree is a large evergreen shrub to small tree. It has glossy green dense thorny foliage, perfumed white flowers, followed by rough, nobbly fruit. It is used as the understock for grafting onto, so can sometimes outgrow the grafted citrus. The fruit is low on juice, but is very strongly lemon flavoured, as is the rind. It is very hardy.
Citrus thrive in a sunny, humid environment, and have a low frost tolerance. They grow best on well drained, fertile soil with regular watering. If they go through dryness at flowering time, they can drop the developing fruit. Prone to a few pests and diseases, they do need regular attention.
Flower colour: White
Flowering season: not specified
Lemons have a tangy citrus fragrance
Maximum height: 6 metres
Minimum height: not specified
Maximum width: 4 metres
Minimum width: not specified
This plant will tolerate full sunlight.
Light frost tolerance.
Plant is not salt tolerant.
This plant species will grow in the following climates: temperate, subtropical, tropical.
Loam: moist, well-drained.
Clay: moist, well-drained.
Sand: moist, well-drained.
Soil pH: 6-8
Scale, citrus leaf miner, bronze-orange bug (stink bug), borer, whitefly
Planting season: All.
Types of fertiliser: Citrus fertiliser applied regularly.