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Do I need to prune my citrus tree?
Pruning is generally minimal and best done in February before the main growth starts. Remove any dead, damaged, or crossing branches to improve air circulation and shape the canopy. You can also pinch out the tips of fast-growing shoots to encourage a bushier habit.
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When is the best time to repot a citrus tree?
The ideal time to repot a citrus tree is in the spring, just as the new growth season begins. Choose a pot that is only slightly larger than the current one to prevent waterlogging the soil. Use a specific citrus compost mix that provides the necessary acidity and drainage.
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What is the difference between a citrus lime and a Common Lime tree?
In the UK, the native broadleaf tree *Tilia* is traditionally called the 'Common Lime' or 'Linden', but it is unrelated to the citrus fruit. The *Tilia* is a large deciduous tree often found in parks and avenues, while the citrus lime is a tender, fruit-bearing plant grown in pots. It is important to distinguish between the two when purchasing plants for your garden.
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Can I grow citrus trees outside in the UK?
Most citrus trees are not fully hardy in the UK and cannot withstand freezing temperatures for long periods. It is best to keep them in pots so they can be moved indoors or into a greenhouse during the winter months. In very mild southern areas, some hardy varieties may survive outdoors with fleece protection.
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How often should I water my citrus tree?
Citrus trees prefer deep watering only when the top layer of soil has dried out completely. Overwatering is a common issue, so ensure the pot has excellent drainage to prevent root rot. During winter, reduce watering significantly as the tree's growth slows down.
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Why is my citrus tree dropping its leaves?
Leaf drop is often caused by sudden changes in temperature, cold draughts, or overwatering. A lack of light during the winter months can also cause the tree to shed foliage. Ensure the tree is in a stable environment with plenty of light and correct watering habits.
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What type of fertiliser do citrus trees need?
Citrus trees are hungry plants that require a specialist high-nitrogen feed during the summer growing season. In winter, switch to a balanced winter feed to maintain health without encouraging weak growth. Apply the fertiliser according to the instructions on the packet to avoid nutrient burn.
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How do I treat sticky leaves on my citrus tree?
Sticky residue is usually honeydew excreted by pests such as scale insects, aphids, or mealybugs. Wipe the leaves with a damp cloth or use a soap-based spray to remove the pests physically. Checking the plant regularly helps catch infestations early before they damage the tree.
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Can citrus trees be successfully grown in containers?
Yes, many citrus varieties thrive in pots, especially in climates where they need to be moved indoors for winter. Container growing allows for better control over soil conditions and plant placement. This method is popular for varieties like Meyer lemons or calamondin oranges.
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