Palm trees overwinter outdoors
Palm trees are usually associated with the south, sea, beach and sun. That is precisely why it is tempting to plant one or more palm trees in the garden if it is needed Then just a little bit of imagination to turn your vacation in balconies and gardenias into a vacation in the South Seas permit. But the German winter and a palm tree in the garden? How does that work? And yet some palm trees are more winter-proof than you think.
Choosing the right palm trees for outdoor overwintering
- Before you take action, find out from specialist retailers which hardy palm species is best for your region.
- Larger palms are always less sensitive to frost than young and smaller plants. For this reason, only buy palm trees that are at least four years old and larger than 50 cm for planting out in the garden.
- In the case of permafrost, palm trees planted directly in the garden are even more resistant than potted plants, as the root ball cannot freeze through as quickly.
- The root ball of palm trees is most sensitive to frost and freezing through. The trunk is more winter-proof than the roots and the leaves are even more resistant to the cold. Even if they should die in permafrost, new ones will develop again in the next spring.
- Some palm trees do not tolerate moisture in frost. Pay attention to this when buying and choosing where to plant.
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Preparations for protecting your palms outdoors
- Plant the palm trees in spring when the nights have already got a little warmer. That's how it is Palm tree Already grown well outdoors by the first winter and can slowly acclimate.
- For less hardy palm trees, choose a sheltered location on the south side. The little winter sun can occasionally warm the soil and the plant a little.
- Dig a square planting hole about 30 cm wider than the root ball.
- Now put 5 cm thick rigid foam sheets in the hole on all four sides of the square, so that you have a kind of bottomless Planter create.
- Attach a gutter heating cable inside the square bucket and then plant the palm in a mixture of soil, sand and bark mulch.
How to protect the palm trees in the cold season
- Cover the earth around the trunk of the palm trees generously with a thick layer of bark mulch, straw or fir branches. Remove this protective blanket on warmer days so that air can get to the roots of the palm tree and there is no rot.
- When the nights get very cold, tie the palm fronds together and wrap the stem and leaves in a blanket or air-cushioned film. However, remove this protection on warm days.
- As an alternative to wrapping the palm trees, you can also build a simple frame of roof battens around the plant. Attach hardboard or styrofoam sheets as walls so that the palm tree gets a warm shelter. Make sure you have adequate ventilation.
- The heating cable is only used in very harsh cold spells. Only turn on the heating if there is a risk that the root ball will freeze.
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