Kumquat loses leaves / flowers - which helps the kumquat tree

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Kumquat - Fortunella - Citrus japonica

The Kumquatbaum occasionally drops off individual leaves and flowers, this circumstance has natural causes and is usually no reason for further concern. However, if the loss of leaves heaps up, then the triggers for it should be examined closely. Especially if more than half of the leaves have been dropped and the bare branches turn brown. In order to enjoy the exotic citrus tree for a long time, the temperature, the light conditions, the location and the casting units play an important role.

leaf loss

The kumquat tree regularly drops single leaves, which is a natural circumstance. If the tree loses many of its leaves in winter, then that too is a completely normal process. This serves to protect the plant, as the metabolism is significantly reduced. Since much less nutrients are absorbed, not so many nutrients may be consumed. At other seasons, however, extreme leaf loss is an indication of deficiencies in cultivation. Also, the size of the bucket plays an important role in healthy growth. When the roots begin to fill the entire planter, the kumquat tree needs a much larger tub.
  • If too much leaf loss occurs, take countermeasures promptly
  • Watch the plant closely
  • Analyze reasons and triggers
  • Check care and location
  • Check for diseases and pests

to water

If the kumquat tree loses many leaves in the summer months, it is often due to a false watering. Therefore, one's own casting behavior should be checked. Too little water leads to leaf loss, but it must not be overpoured. In addition, the plant does not tolerate extremely calcareous irrigation water, but the calcium value is very different regionally. This value can be determined with a test from the retailer concretely. Another reason for the loss of leaves may be too low levels of humidity. Due to the exotic origin of the citrus tree is used to high humidity.
  • Plant needs abundant watering, especially during the growth phase
  • Does not come with permanent waterlogging clear
  • Dammed water in the planter leads to rotting roots
  • Apply a drainage layer and check the drain for blockage
  • For cold tap water, collect better rainwater for pouring
  • Carefully spray the plant with lime-free water
  • Alternatively, place a container filled with water in the vicinity
Tip: If you live in a region with very hot summer temperatures and low humidity, you can place the tree at this time in a larger bucket filled with water. However, on a raised pedestal, so that the excess irrigation water can run off completely and forms no waterlogging.

care errors

round kumquat - Fortunella - Citrus japonica

If the kumquat tree is to train many leaves and flourish diligently, proper care is crucial. Especially when planting, pay attention to the quality of the substrate, as the plant reacts very sensitively in this area. If the flowers form poorly during flowering, do not open at all or fall off quickly, then the substrate often does not contain enough nutrients. A rich harvest will also require a nutrient-rich soil, otherwise no fruit will grow. However, not surprising, the plant only bears fruit every two years.
  • Extremely sensitive to limescale, both in irrigation water and in the soil
  • Optimum pH is in the acidic range
  • Descaling extremely cold tap water with water filters
  • Extremely high nutrient requirement, fertilize at least every 2 weeks
  • Ideal is fertilizer for citrus plants
  • For a rich flowering use temporary fertilizer with lots of potassium

location error

If the kumquat tree is cultivated in the living spaces, then the orientation of the location is very important. The citrus comes from Asia and is therefore used to tropical temperatures with lots of sun. However, double-glazed windows, which are installed almost everywhere today, filter out many important lighting components, leaving the plant literally in the dark. A permanent lack of light leads to a loss of leaves and flowers.
  • Prefers warm and sunlit living spaces
  • Ideal are window benches with west and south orientation
  • North and east windows are unsuitable
  • Put the plant in front of the open window in good weather
  • If available, bring to the balcony during the day
  • It is essential to avoid drafts at the site, to encourage infestation with pests
  • Too dark locations brighten with a plant lamp


The kumquat tree is not used to the dark season and the accompanying lack of light from its homeland.These circumstances are not well tolerated and often lead to a strong loss of leaves. The darker the location, the more leaves the shrub will lose. To prevent this, the site conditions play an important role during hibernation. If the heat-loving plant is cultivated in the garden, on the balcony or on the terrace, then this can usually tolerate the first and still slight frosts in the fall quite well. However, for the winter and for extremely low minus values ​​the plant needs an adequate winter quarter. Depending on the weather and the region, the kumquat tree may move outside again from May.
  • Only partially hardy, has to move to the beginning of winter
  • Select the brightest possible location as winter quarters
  • But it needs cool temperatures to flower again the following year
  • Temperatures between 5-10° C are ideal for the winter
  • Do not put too close to radiators
  • Dark stores, corridors and garages are unsuitable as winter locations
  • Optimal are rarely used guest rooms and bright corridors
Tip: During the winter break should not be fertilized and only slightly watered. In addition, the plant is regularly monitored for waterlogging, rotting roots, diseases and pests.
If the kumquat tree occasionally loses some leaves and flowers, then this is a natural process and not a cause for concern. However, there are often serious reasons behind extremely heavy leaf loss. If these are not detected and removed promptly, this can lead to the complete dying of the plant. Therefore, the triggers for a massive discard of the leaves are always to investigate. In this way, appropriate countermeasures can be initiated immediately. Mistakes often include watering mistakes, too much as well as too little water is harmful to the crop. Kumquats tolerate no waterlogging at all, this leads to decay phenomena at the roots and then to the shedding of the leaves. If the leaves, flowers and fruits are formed poorly or not at all, then often too low a nutrient content in the substrate is the trigger for it. Therefore, it is important to take care of regular fertilizer, especially during flowering. Due to its exotic origin, the plant prefers sunny locations with a lot of direct sunlight. Dark site conditions are not tolerated and also lead to leaf loss. In addition, the plant suffers from persistent drafts, low temperatures in summer and too low humidity. In winter quarters, however, cool temperature values ​​are desirable in a bright location.

Video Board: Citrus Tree Problems - Citrus Fruit and Blossom Drop.

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