Zimmercalla, Zantedeschia - care and tips on brown leaves

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Zimmercalla delight with sepals in different colors

The room calla symbolizes purity and beauty in an inimitable way with its simple, elegant calyx. Representative bouquets and tasteful flower pots give the Zantedeschia in charming shades a royal touch. There is no doubt that a certain amount of attention is needed to encourage African Grace to bloom for as long as possible. Anyone who delves into the following nursing guide will discover an unexpectedly robust physique. Helpful tips on brown leaves show how the flawless appearance is quickly restored.
The Zantedeschia represents a species-rich occupied plant genus whose natural habitats extend over the marshy regions of South Africa. The vast majority of cultivated in Europe as Zimmercalla species flowers from January to April and is known under the botanical name Zantedeschia aethiopicaIn summer, species of summer flowering are to be found as a container plant, such as Zantedeschia elliottiana and rehmannii, Apart from the time of their flowering, the care of Zimmercalla does not differ. For all species and varieties the highest premise is to differentiate in cultivation after a moist vegetation phase and a dry rest period.
Their cheerful flower flair spreads the room calla most where the sun is present. Under the following site conditions the flower beauty achieves its optimum:
  • sunny to partially shaded location on the south or west window
  • existing shading in blazing midday sun
  • temperatures of 16 to 25° C during the growing and flowering period
After flowering, site requirements change. Summer-flowering room callas like to spend the fall and winter months in the cool conservatory or bright stairwell. Zantedeschien, which bloom from January to April, carry prudent hobby gardeners through the summer in the garden or on the balcony. Only when the temperatures fall below 12° C, the flowers move to the living room to prepare for the coming flowering. Tip: A completely leafy Zantedeschia has no objection in the summer against a place in the bank area of ​​the garden pond. During the winter, however, it must be granted, as its temperature minimum is 10° C.

With care mistakes Zantedeschia can get brown leaves

spider mites
In a dry, warm climate, spider mites spread explosively. The females of these tiny pests lay their eggs on the undersides of the leaves. From there, the larvae colonize the foliage and stems to siphon off the sap. Visible is the infestation of white webs, yellowish and brown speckles and discoloring leaves. How to ward off the plague:
  • Spray room calla regularly with low-caliber water
  • always include the undersides of leaves in the spray mist
  • In case of high infestation pressure pack the plant in a plastic bag for 8 days
If all gentle control methods do not help, the retailer keeps systemic insecticides in the form of chopsticks. These push into the substrate so that the Calla absorbs the ingredient literally spoiling the sucking pests' appetite.
Aphids are among the sucking and stinging plant pests. What makes them so dangerous is the fact that they strike out of the blue even without a cause. They are available in every conceivable color, from black to red and yellow to green and brown. As if infestation of your Zantedeschia was not bad enough, the parasites subsequently cause viral infections and fungal diseases. If brown leaves appear in combination with aphids on a calla, there is an immediate need for action.
  • immediately isolate the affected plant
  • cut off brown leaves
  • spray with a weak soapy water
  • treat with an insecticide based on neem or rapeseed oil
Imbalanced pouring
If infestation by pests can be excluded, the assumption of an oversupply with water is close. Only during the flowering period is there a high demand for a room calla. Outside of this phase, experienced hobby gardeners only water conservatively or not at all during the dry season. Did you mean it with the water supply too well with your plant, so that show brown leaves, you should repot into fresh substrate. Here's how to do it:
  1. Fillet the Calla and cut off the brown leaves.
  2. Fill with fresh potting compost sand mixture.
  3. Plant the tuber about 5 cm deep.
  4. Do not pour in the first week so that the drenched rhizome can dry.
Conclusion of the editorship
The room calla adds a noble touch to every windowsill with its equally simple and stylish calyx flowers. In order to enjoy these flowers, a certain amount of nursing sensibility is required.For a beginner, the demanding supply of water and nutrients is just as unlikely as the choice of location. For an experienced hobby gardener Zantedeschia, on the other hand, represents an exciting challenge that retains its charm even after years of cultivation.
Worth knowing about the room calla soon
Zimmercallas are no longer just white flowers, they are now available in many different colors. Often the room calla is confused with the marsh calla. The two species are similar, only the Zimmercalla is not suitable for hibernation in the field. In the care the plant is a bit tricky. Good care is worth it but by beautiful flowers.
  • The location should be bright and warm. This applies if you cultivate them all year round as a houseplant, but also if you put them as a container plant in the summer in the outdoors.
  • White room calla like temperatures around 16 ˚C, colored species about 18 ˚C. At temperatures over 21 ˚C the flowers wither very fast and the beauty of the plant is gone.
  • As a plant substrate, normal potting soil is sufficient.
  • To be cast regularly. The scholars argue about the crowd. Some do not recommend pouring too much, others recommend that even water should remain in the coaster. You have to try that out. It is important that the soil never dries out during flowering!
  • Stop watering after flowering!
  • Calla is fertilized during the growth phase, until it blooms. Thereafter, the fertilizer inputs are set.
  • Dry air does not like the plant at all. It quickly comes to diseases.
  • Caution: The Zimmercalla is very susceptible to spider mites and aphids!
  • Reduce watering after flowering and stop later!
  • The leaves are drying. Remains can be cut off.
  • The tubers are taken from the soil and stored best cool, dry and dark.
  • As soon as the first shoot tips appear in spring (usually in January), plant the tubers again and water regularly. Also fertilizers are useful.
  • After planting, place the calla at 10 to 14 ˚C for about 3 months.
  • Then put warmer!
Be careful when dealing with the room calla!
The plant releases excess water via special cells via the leaves. If you come in contact with the moisture, it may cause nettle fever. Reddish, burning and itchy wheals on the skin are the result. The juice contains strong irritants. In conjunction with light, the effect is enhanced.

Video Board: How To Grow Calla Lillies.

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