The avocado, Persea americana, bears delicious fruits packed with healthy fats. In the right conditions, trees can reach heights of up to 20m, but they'r unlikely to grow so well in the UK.

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How to grow avocados at home

Avocados are native to central America, so need plenty of warmth, sunshine and moisture. However, they also have large glossy, evergreen leaves and make attractive houseplants. If you like a challenge and have plenty of patience, you can grow an avocado plant from a supermarket-bought avocado –simply pot the stone in a pot of moist compost and wait for the shoot to appear. You might never get home-grown guacamole, but you can have some horticultural fun along the way.

If you're intent on trying to coax fruit from your plant, try sourcing a cold-hardy avocado variety that will be more suitable to UK growing conditions. The average Hass avocado from your supermarket is unlikely to reward you with more than good foliage.


Growing avocados from seed

How to grow avocados - growing avocado from seed
How to grow avocados - growing avocado from seed. Getty Images.

Avocado stones can be coaxed into germinating with some heat, moisture and a humid atmosphere. One popular method of getting them to germinate is to pierce the stone with four toothpicks and suspend it above a cup of water, making sure the base of the stone touches the water. Keep in a warm place and after about six weeks, you will see roots appearing. Pot up your germinated avocado seed into a peat-free compost mix.

You can also leave the seed on a sunny windowsill and pot it up when it has started to split. Or pot up the stone, water well and leave it to germinate in a warm, dark place. Check it regularly and make sure it doesn't dry out. When shoots have appeared on your plant, place it in a sunny spot and keep it well watered.

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Caring for avocados

How to grow avocados - potting on young avocado plant
How to grow avocados - potting on young avocado plant. Getty Images.

Once your avocado seedling is established, pot it on into a large pot where it will have room to grow. When your avocado plant is roughly 30cm tall, cut it back to encourage bushy new growth. Pot on when well-established and the roots are peeping out of the bottom of your pot.

Avocados won’t tolerate severe cold, so they usually need to be grown as houseplants or in a greenhouse in cool climates. If you have a sheltered garden, in a mild area, you could try growing your avocado plant outside. Or at least move it outdoors for the summer months.

Keep your plant well-watered and feed every two weeks with a liquid plant food during the growing season. Avocado trees can take up to ten years to bear fruit in the right conditions.

Many avocados are self-fertile, but if your plant flowers, you will have to hand pollinate it to get it to set fruit.


Harvesting and storing avocado

How to grow avocados - avocado fruit. Getty Images.
How to grow avocados - avocado fruit. Getty Images.

If you're lucky enough to get some fruit, pick it when it has reached full size, but leave it to ripen for a couple of weeks in a warm, dry place. Avocados will store well in a fridge for a few weeks.


How to eat avocados

Looking for inspiration on how to use your crop? Our friends at olive have curated a delicious collection of avocado recipes, including their baked avocado with smoked salmon and eggs.


Growing avocados: problem solving

If you’re growing your avocado plant indoors or in a greenhouse, look out for typical glasshouse insects such as red spider mite, whitefly, mealybug and thrips and treat accordingly.

Beware of over watering as this can lead to root rot.


Avocado varieties to try

How to grow avocados - varieties to try. Getty Images.
How to grow avocados - varieties to try. Getty Images.
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Avocado ‘Brogden’ – a Mexican/West Indies hybrid, bred in Florida, that is hardy down to -6C.

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