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How to Right a Leaning Plant

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With the exception some species of crawling and naturally twisted greenery, most plants grow straight and vertical if they’re healthy. If they start to lean, it is because something is wrong with their roots, the underlying soil or their ability to access sunlight. Heavy plants that lean too far can eventually topple and die. A leaning plant should almost always be repositioned and can almost always be fixed by one or another basic remedy.

Carefully examine your plant to find out the cause of the tilt. Some plants have roots and a base that are still level even though the trunk has begun to tilt dramatically either due to overly heavy lateral shoots or an attempt at getting more sunlight. First observe if the plant is leaning due to erosion or if it’s because of bad sunlight or bad balance. You can rule out erosion as a cause by feeling if the surrounding ground is solid and stable.

Plant a stake into the ground several inches from your plant if it’s leaning due to a weight imbalance caused by its shoots or branches. Place the stake so that it’s posted opposite the direction of the tilt and tie the upper and middle sections of the plant to it as tightly as needed to right it again. If possible, cut away any excess shoots that are causing the lean with their weight. Remove the stake once you feel the plant is once again strong enough to support itself vertically.

Dig your plant gently out of the ground and reposition it in a sunnier location if its leaning problem was caused by inadequate sunlight. If needed, realign your plant vertically with a stake until it straightens out on its own due to adequate light. If your plant is in a pot, simply reposition the pot until the plant is exposed to even, vertical sunlight.

Examine the plant base and surrounding ground closely. If the root ball seems to have sunk down on one side, the plant may have shifted through soil erosion. Dig up your plant and shore up the hole with an addition of enough topsoil to make the ground stable again. If the ground can’t be stabilized, find a new location for your plant.

How to Right a Leaning Plant. With the exception some species of crawling and naturally twisted greenery, most plants grow straight and vertical if they’re healthy. If they start to lean, it is because something is wrong with their roots, the underlying soil or their ability to access sunlight. Heavy plants that …

Plant an olive tree in your garden

Eden horticulturist Shirley Walker takes a detailed look at the olive tree and shares her tips on how to grow your own at home.

The history of the olive tree

My love affair with the olive began many years ago on the Ionian island of Paxos. I was captivated by this ancient and beautiful tree, brought to the island by the Venetians in the 15th century. The history of the olive, however, stretches back much further and it has become one of the most powerful symbols of the Ancient World.

The olive has been a part of everyday life in the eastern Mediterranean since the beginnings of civilisation more than 6,000 years ago, but began life as a sprawling, spiny shrub in the Levant (present day Syria and Lebanon). Thousands of years of selection and breeding have turned it into the productive tree we know today. The olive is now an integral part of the Mediterranean landscape and the most important economic plant in the region with 800 million trees in cultivation.

Botanical details of the olive tree

In spring the silvery canopy is covered in tiny flowers, like scattered stars, and the swaying branches protect a wealth of spring bulbs and wildflowers beneath, like cyclamen, poppies, field marigolds, purple viper’s bugloss and tassel hyacinths. During the long, hot Mediterranean summer the trees become heavy with fruit, ripening from green to black as the winter approaches.

Olive trees are extremely tough and can withstand searing heat, drought, fire and temperatures as low as -7°C for short periods. I really admire Mediterranean plants because they have adapted over thousands of years to cope with extreme climatic conditions, poor soils and the effects of fire. Many plants, including the olive have the capacity to regenerate from the base when damaged by fire – that’s how the olive came by its name ‘tree of eternity’.

Our olive grove in the Mediterranean Biome at Eden contains some old, gnarled specimens but these are mere juveniles compared with some you find in the Mediterranean region – many are more than 1,000 years old. Carbon dating of old specimens in Lebanon has revealed trees several thousand years old. I find it amazing that these trees have been producing fruit and giving oil since Biblical times!

Growing your own olive tree at home

This wonderful, evergreen tree will add a touch of the Mediterranean to any garden and when I’m working in the Biome I am frequently asked how to care for them. Here are some questions and answers:

Can I grow an olive tree successfully in a container?

Certainly, olives do well in containers. When you buy your tree, pot it on into a larger pot, preferably terracotta rather than plastic and use a loam-based compost like a John Innes no. 3. Add 20% horticultural grit to improve the drainage. Place in a sunny position, keep the soil moist during the growing season and feed with a balanced liquid fertiliser once a month. In winter you can reduce watering but don’t allow the compost to dry out completely.

Can I plant my olive tree outdoors?

Olive trees are tougher than you think but try and choose a sunny, sheltered, well-drained position and plant in spring, after the risk of frost has passed, but before the end of June to give the tree plenty of time to establish before the following winter.

Will my olive tree need pruning?

Olives grow very slowly so don’t require much pruning when young. Container-grown plants tend to grow quicker, so if the canopy becomes dense, remove some of the branches to let more light into the centre. Keep an eye on the shape of the tree and remove any dead or diseased wood.

Will my olive tree produce fruit?

Trees should begin producing fruit at about three to five years old. Most olive varieties are self-fertile but they are wind pollinated so will need to be outdoors when in flower. (We use a leaf-blower to pollinate our olive trees in the Biome!) Olives need a two-month cold spell in winter and fluctuating day/night temperatures to initiate flowering and fruiting, so keep container-grown trees in an unheated conservatory or greenhouse, with plenty of light. Olive trees flower and fruit on one-year-old wood.

What are the best cultivars for growing outdoors in the UK?

  • Arbequina is a small tree from Catalonia in northern Spain, with a weeping habit, ideal for small gardens.
  • Cipressino originated in Puglia, Italy, and is a vigorous tree with an upright habit. Its name comes from its similarity to the Italian cypress.
  • Leccino comes from Tuscany, Italy, and is a popular, widely planted variety with an open, pendulous habit. It is easy to grow and will tolerate a wide range of temperatures.
  • Picual is an extremely hardy and vigorous tree requiring regular pruning. It originates in Andalusia, Spain.
  • Pendolino is a small, compact, weeping form with architectural appeal from Tuscany, Italy. It will need a pollinator to provide fruit as unlike most olives, this one is self-sterile.

My favourite culinary tip

Try pot-roasting a chicken with plenty of black olives, sliced leeks and peppers, rosemary, lemon juice and olive oil.

Eden horticulturalist Shirley Walker takes a detailed look at the olive tree and shares her tips on how to grow your own at home.