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How often should I water my olive tree?
While established trees are drought-tolerant, potted olives need regular watering during the growing season. Allow the compost to dry out slightly between waterings to ensure the roots do not sit in water. In winter, reduce frequency significantly, providing just enough water to keep the soil from drying out completely.
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When is the best time to prune an olive tree?
The best time to prune is late spring or early summer once the risk of frost has passed. This timing allows the tree to heal quickly and encourages vigorous new growth during the warmer months. Focus on removing dead, diseased, or crossing branches to maintain an open canopy.
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What type of soil is best for olive trees?
Olive trees require free-draining soil and will struggle in heavy, waterlogged conditions. For potted trees, use a loam-based compost mixed with horticultural grit or perlite to improve drainage. If planting in the ground, ensure the location allows water to drain away freely, especially during wet winters.
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Can olive trees survive winter in the UK?
Olive trees are hardy but require protection during severe UK winters, particularly if temperatures drop below -5°C. Potted trees should be moved to a frost-free greenhouse or conservatory to protect the root system. Trees planted in the ground may need fleece wrapping to prevent bark damage from freezing winds.
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Will my olive tree produce fruit in the UK?
Olive trees can fruit in the UK, but they generally require a long, hot summer for the olives to ripen fully. Placing the tree in a sheltered, south-facing spot maximises sun exposure, which is essential for fruit development. A cold period in winter is also necessary to stimulate the flowering process in spring.
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Do I need to use fertiliser on my olive tree?
Feeding is beneficial during the growing season to support healthy foliage and growth. Apply a balanced liquid fertiliser every two weeks from spring until late summer. Stop feeding in early autumn to prevent soft new growth that could be damaged by winter frosts.
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What common pests affect olive trees?
Scale insects are a common issue, appearing as small brown bumps on the stems and underside of leaves. Woolly aphids may also appear, producing a white, cotton-like substance on the foliage. These can usually be managed by wiping the leaves or using organic control methods.
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Why is my olive tree losing its leaves?
Leaf drop is frequently caused by incorrect watering, either too much or too little, leading to root stress. In winter, low light levels or sudden temperature fluctuations can also cause the tree to shed foliage. Check soil moisture and move the tree to a brighter, sheltered position if necessary.
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What are the key considerations when choosing a pot for an olive tree?
Select a pot that offers ample space for root growth and stability, especially for larger olive trees. Good drainage is paramount, so ensure the container has sufficient drainage holes at the bottom. Material choice can also influence soil temperature and moisture retention.
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Can olive trees be successfully grown in zinc planters?
Yes, olive trees can be successfully grown in zinc planters, offering a contemporary look. Zinc is durable and provides good thermal properties, though it can heat up in direct sun. To prevent root stress, consider lining the planter or choosing a lighter-colored zinc finish.
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