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The olive tree can be easily brought through the winter as a container plant. With sufficient precaution, it can survive the cold season unscathed even outdoors.Olive trees survive temperatures of -7 ° C without damage. Olive trees are at home in the Mediterranean and are therefore used to warm temperatures. We cannot meet these demands in Central Europe, especially in winter. But that does not mean that the olive tree in our latitude straight line has no chance. On the contrary. If you properly prepare the plant and protect it from the cold temperatures, you can even bring healthy olive trees through the winter outdoors.
4 tips: This is how olive trees survive the cold season
Wait for the first frost
If you cultivate your olive tree in a bucket, it is safest to overwinter in the house or another protected building. Wait to move to the winter quarters until the first frost sets in. The plant takes no damage at low freezing temperatures and gets rid of pests sensitive to cold. As a guideline for frost tolerance, you can use a temperature of -7 ° C.
Choose bright, cool winter quarters
Place the olive tree in the brightest possible place in the house. Lack of light is only life-threatening in extreme cases, but the plant will shed all its leaves in a location that is too dark. The next year, the leaves will have to grow again with considerable energy consumption.
The temperature in the winter quarters should be around 10 ° C. Unheated hallways and winter gardens as well as cellars with large windows are ideal locations.
Gradually pour less
The water requirement of the olive tree is not as high in winter as during the growing season. Water less and less water after moving to the winter quarters. This gives the plant enough time to adjust to the decreasing amounts.
Take it outside early
Bring your olive tree back outside as soon as no more night frosts are expected. Immediately after the protected winter rest, the olive tree should not be exposed to freezing temperatures. First, avoid locations in full sun. Otherwise there is a risk of sunburn, which is expressed in reddish to brownish-colored leaves.
Pack well outdoors
If you want to leave your olive tree outdoors in winter, you should take the following protective measures:
❶ Place the bucket on a thick disc of polystyrene so that ground frost can hardly penetrate from below.
❷ Wrap jute, coconut or sisal mats around the bucket. The more layers you use, the better the frost protection.
❸ Choose a location protected from the wind as close as possible to a heated building. The outer walls radiate heat and thereby increase the outside temperature in the immediate vicinity.
If your olive tree grows in the garden, you can wrap it directly with mats made of natural materials or protect it from the cold with air-permeable fleece. Also cover the area around the trunk with a thick layer of leaves or mulch.