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Sparrmannia africana, that is the scientific term for the Zimmerlinde, which originally comes from South Africa. It owes its name to the Swedish scientist Andreas Sparrmann. The Zimmerlinde, which has gone out of fashion over the years, is enjoying increasing popularity in the present day. Due to its large, beautiful leaves, the Sparrmannia africana is considered positive and should, according to "Feng Shui", enable an optimal flow of energy in the room. In the open nature the attic reaches a height of up to 6 meters. Although this height is not reached in the home living room, you should nevertheless make sure that you have enough space at home when buying a Sparrmannia africana.
A room linden needs a lot of light. However, it should not be too sunny, because then it can happen that burn the leaves. The ideal location is therefore an east or west window to choose, through which the mild and pleasant morning or evening sun shines. If you want to put the Sparrmannia africana outdoors in the summer, then be sure to place the plant in a windproof and sun-protected place. A light summer rain, on the other hand, is good for the house linden, as it gently cleanses its leaves. In winter, it is important that the plant is cool. At best, at temperatures between 6 and 10 degrees. If you leave the Sparrmannia africana in the heated room, make sure you have adequate lighting, otherwise the plant willingly discards its leaves and forms soft, feeble shoots. In addition, you must perform intensive and regular pest controls.
Especially in the summer of summer, the house linden evaporates, due to its large, soft leaves, a lot of water. It must therefore be poured abundantly, whereby you should absolutely make sure that no waterlogging forms in the plant pot, because otherwise mold can occur. In winter, the amount of water must be varied according to temperature. The cooler it is in the room, the less you have to water. It is important that the plant bales do not dry out. During the growing season of Sparrmannia africana, which starts in spring, you should give the irrigation water each week a portion of liquid fertilizer (compound fertilizer). Occasional spraying also does the plant well. As soon as the plant has become too tall, the shoots are shortened, so that branches can form at the intersections, which grow the room lime especially strong. With regular and good care, the Sparrmannia africana develops, in the period from January to April, umbelliferous-looking flowers with snow-white petals.
Propagation and cultivation
One way to multiply the linden tree is to look it out. Usually, however, the method is used to propagate the Sparrmannia africana on side cuttings or head cuttings of flowering as possible shoots. A suitable substrate is a normal peat culture substrate with a slightly increased level of clay. The branching of the plant is promoted especially by the multiple shedding of young shoots. After the plant has flowered, a significant pruning should be done. Because the plant grows very quickly, it therefore needs a large clay pot for its root area to ensure the adequate supply of food and the required stability. In order to guarantee a constant nutrient flow on an organic basis, the one-pot soil should consist of unit earth or sterilized compost earth, to which a handful of horn shavings are added. Your room's linden can reach a height of up to 3 meters when you plant it in your garden, for example in wire baskets. The planting should take place in the summer time from May to September. The rest period of Sparrmannia africana ranges from October to December. The low fragrant flower umbels of the plant can appear in the period from January to April.
You should repot your plant into a larger container once the planter is completely rooted. Repotting can be necessary several times in a year, as room linden trees are especially fast growing. In late autumn or winter, however, one should renounce a repot, because it is better to wait until the beginning of spring.
Diseases and pests
Since most of the room linden trees are in the garden in a shady spot during the summer, numerous leaf lice and scale insects may take advantage of this opportunity to colonize the plant. If you bring your plant back to your home in the fall, you should pay particular attention to a pest infestation. When a Sparrmannia africana drops its leaves, it can have a variety of causes. Drafts, too little water, the blazing sun or too cold irrigation water. All this does not tolerate the plant.If their leaves turn yellow, this usually indicates a lack of nutrients or too little watering. A signal for the lack of light are long shoots and small leaves. Burn marks can form when room blinds are too sunny. Significant infestation of shield, leaf and mealybugs occurs in a dark and warm winter place. Animal pests, such as aphids and mealybugs, are highly damaging to the plant due to sticky excrements (honeydew) or their permanent sucking activity. With a pyrethrum remedy you can help by increasing the number of injections. Spider mites, which are relatively easy to spot on fine webs in the leaf axils or even white flies, are easy to contain with oil preparations.
As a small extra tip is to mention that the Zimmerlinde, due to their high water and nutrient requirements, very well suited for hydroponic culture. Brief explanation: Hydroculture is a special form of plant husbandry. The plant beats its roots, instead of in an organic soil, in an inorganic substrate. With the aid of hydroponics, indoor linden can grow into large plants within a few years.
Zimmerlinde - care tips
To make a roomy linden feel good, she needs a nutrient-rich substrate. The mixture of well-seasoned compost has a positive effect on the growth of the plant. As the linden tree grows in height, also her root ball develops. So that it does not get too narrow in the pot, a new container should be provided in time - but not during the winter months! Sometimes a single repot in the year is not enough, so fast grow the roots.
The supply of water must be ensured throughout the year, even in winter, with the Zimmerlinde at the colder resting phase place correspondingly less water. The substrate should always be moist, but never muddy. It is best to wait until the topmost layer of earth has dried off a bit before pouring again. For optimal nutrient supply the Zimmerlinde needs weekly the addition of a liquid fertilizer in the irrigation water, but not in winter. Since the house linden prefers an environment with a high moisture content, it should receive from time to time a misting with the spray bottle.
Best location for Zimmerlinden
Whether the care of the Zimmerlinde (Spermannia africana) depends largely on the location:
- A Zimmerlinde wants to be bright, but not in direct sunlight. The light green, delicately hairy leaves take the evil and react with ugly burn marks.
- In addition, it does not like a room linden warm. Ideal would be a maximum of 18° C. Below 10° C, it is the Zimmerlinde but too fresh.
- A phase of hibernation in the low temperature range at about 10° C you get very well. Then she is not so prone to leaf lice and scale lice.
Zimmerlinde - pruning
If care and location are right with the linden tree, it grows very quickly, so that a pruning is inevitable. If leaves have turned yellow or bald spots disturb the overall picture, the Zimmerlinde gets a pruning also good. The ideal time is spring before repotting. The regrooving can be confidently extensive.
If a room linden receives the care it deserves, it grows up to 3 meters high and forms white flowers in late winter until spring. If she likes her domicile very much, she even flowers all year round.
Zimmerlinden are gradually coming back into fashion. Not only do they look beautiful, they also provide a pleasant indoor climate, especially in summer. In large rooms, the plants feel particularly well and contribute to a beautiful overall visual impression. However, care must be taken with the right care, so that the Zimmerlinde is only recommended for people with sufficient time and interest in plants.