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Ferns with tribe - is there something like that? Yes, there is, if not with us in Germany, not so long and not very often.
The Australian tree fern is one such fern that develops a proper imposing trunk, giving the whole plant a decidedly exotic and truly extraordinary appearance. The Australian tree fern brings visually the jungle on your terrace, in impressive size, if you give him the proper care.
Care of the Australian tree fern
In case of doubt, your newly purchased tree fern should immediately be transferred to a larger pot if the pot in which you received it appears to be rather small. The tree fern will feel most comfortable in a large pot as possible, in such a pot, the soil does not dry out so quickly. However, you must not shock the newly acquired tree fern while transplanting, so it is simply placed with the entire bale in the new pot.
Before, a little humushaltige and loose potting soil comes to the bottom of the new pot, which is also higher than the old pot. When you've finished planting the tree fern, fill in all over the soil until the tree fern sits securely in its new pot.
You can plant the tree fern in the garden. Keep outside as a container plant or place it in an interior where it gets light from above. In all these places the tree fern wants a half shady to shady place. If you can get used to it as a young plant, it can also get a sunny spot after some time. The younger the tree fern, the more you have to make sure that it is protected from the wind, young tree ferns can take it pretty bad, if they are vigorously "blown".
If you have found a location where your tree fern feels good, the regular care of these beautiful plants is no longer very expensive. For the tree fern has not been able to survive on our earth since the age of the Jura, that is, for about 200 million years - it is certainly not too sensitive. However, the tree fern does not grow in nature in our front yard, but rather in a tropical to subtropical environment. This is of course to be considered in his care.
You should therefore know how best to water your tree fern, because it is not satisfied with water, which is simply added to the pot or garden soil. Because the tree fern from the rainforest would like to "shower" with every watering. It is poured over the trunk from above, whereby you should always make sure that the trunk is always a little damp. If the pot is very large, the outer edge of the pot should still get some water. As a "jungle plant", the tree fern does not need a lot of water in the summer, the roots must not dry out under any circumstances. If it is very dry or very hot, the tree fern is also happy if you sprinkle its fronds with water or shower off. However, he does not know constant waterlogging and he does not want to have standing water in a coaster, for example. B. So should be avoided in any case. The more calcareous the soil is, the more important is lime-free irrigation water, in case of doubt you simply take rainwater, which is good for most plants.
The nutrient supply in its natural environment is good, so a tree fern needs plenty of fertilizer if it is to grow well. This may be a slow-release or liquid fertilizer, given at moderate levels once a month.
Hibernating the australian tree fern
The Cyathea australis could be described as slightly hardy, they tolerate about up to minus 9 degrees cold. But only when they are fully grown, the young ferns are still very sensitive to Minustemperaruten. Therefore, the young plants should be better wintered in the house, but there he suffers from dry indoor air, which develops more frequently in our winter heating season. If that's the case with you too, you'll need to ventilate the rooms a little more often, and sprinkle the tree fern for extra humidity.
Adult specimens may overwinter on the balcony or directly in the garden if you provide protection against the cold. However, you can also overwinter these tree ferns in the corridor or in another bright and cool interior, in which the plants must be brought from the balcony or out of the garden, when it is really icy outside. When purchasing the cold protection material, ask how much frost resistance in terms of degrees of temperature you gain in fitting.
The tree ferns are less cast in winter, just enough so that the earth does not dry out. Especially with young ferns, it is very important that you carefully get used to the tree fern in the spring of the "freedom".Experienced tree fern friends place their tree ferns in the winter in mild weather in the fresh air and begin already in about mid-February, get their tree ferns to get used to the move to the garden in which they daily for some time outside.
Do not be alarmed if the tree fern ever loses leaves or turns a little brown, these ferns tend to any treatment that is not quite in their favor. Tree ferns may then have suffered from too much sun or have had to go through a prolonged dry spell, or they have suffered a small frost damage. If the causes of "discomfort" are turned off, they usually recover rather quickly, it is a rather robust fern species.
Which, by the way, can grow big when it feels really good: the Cyathea australis can reach a height of up to 12 meters and a mighty crown of about 5 meters in diameter. However, he does not need a lot of time, tree ferns grow only about 2 centimeters a year, by training each year a new wreath of fronds.