Olive

Olive Care

Olea europaea

What is the plant

The olive, known as Olea europaea, meaning "European olive", is a species of small tree in the family Oleaceae, found traditionally in the Mediterranean Basin. The olive's fruit is of major agricultural importance as the source of olive oil.

Olea europaea is an evergreen tree which typically reach about 7-9m (25-30 feet) tall with a naturally slight weeping habit. When the trees are young, they have a smooth grey bark, but as they age the trunks become increasingly gnarly looking. The elliptical to lanceolate leaves are grey-green above and silvery beneath, up to 8cm (3 inch) long. To be able to survive in a hot and dry climate, the leaves have a protective coating and are hairy undersides, an adaptation that slows down the transpiration process. There are Olea europaea trees varieties grown for fruit harvest, for oil production and even fruitless varieties grown just for ornamental proposes. It can be invasive in Australia.

humidity

Normal

lighting

Part sun and part shade

temperature

15°C - 30°C

hardiness zone

8a - 11b

difficulty

Hard

hibernation

Cold Period

How to Care for the Plant

Water
Although they can cope with dry periods, olives in containers need regular watering and feeding to produce fruit. During the growing season, keep the compost moist and feed with a balanced liquid fertiliser such as Phostrogen, every month. In winter, reduce watering, but don't let the compost dry out completely.
Pruning
Trim off any dead leaves and stems.
Fertilizer
As with most houseplants, they will benefit from an occasional feed during the growing season. An organic, balanced, liquid fertilizer once a month during spring and summer is recommended.

Disease diagnosis

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Sunlight
This plant grows best in partial sun/shade and only needs 6 to 12 hours of filtered sunlight.
Soil
Loam soil offers a great balance of silt, sand, and clay as well as a bit of hummus.
Temperature
These trees are surprisingly hardy; large plants can be hardy to around -15°C (5°F) or lower, as long as the soil is well drained. Mature plants will be evergreen to around this temperature, younger plants are more susceptible to leaf loss if the temperatures are continually very low. In frosting areas, during the winter months, the plants should be moved to a cool room where the night time temperature goes down to 9°C (48°F).

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Container
Whether it be plastic or clay, make sure the pot you select has drainage holes in the bottom to prevent over-watering.
Popularity
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