Plants

The Ibiscus

How, when and how much to water the hibiscus

Ibiscus has a massive need for water. Some species can even reach 2 meters in height and, despite having a shrubby habit, this remains a herbaceous plant with a very vigorous development. Water plays a fundamental role in providing the cellular turgor which acts as a mechanical support and gives rigidity to the structure. In young seedlings, watering favors root development, while in the growth phase they serve for raising. During flowering, constant watering guarantees continuous exploitation, given that the single flower has a short life. Hibiscus is a rustic plant that, when adult, tolerates periods of drought well, but also short periods of stagnation of water. A humid environment, especially in summer, is very welcome. It is therefore okay to spray in the heat, but especially in winter, when the heating system comes into operation, and the pots kept in the house must be supplied with the right humidity. A useful expedient is to place filler material such as pieces of polystyrene, gravel or pebbles in the saucer that will keep the right level of water in the saucer. This evaporating will provide the humidity needed by the plant.

How to grow Ibiscus


Ibiscus is a very decorative plant thanks to its spectacular blooms and full foliage. It is a plant native to Asia and loves warm and temperate climates; this means that it adapts well to growing on balconies and terraces only in regions with a mild climate, while in cold areas it becomes a typical indoor plant. Only some species are not afraid of the cold and can even withstand frosts. It is a plant that adapts to all types of soil, but prefers fresh, humid and well-drained ones; the container must be large and repotting can take place every 2/3 years. Getting new seedlings from seeds is quite difficult while cutting, in a mix of sand and peat, guarantees new seedlings every spring. Dried flowers and damaged branch parts can be removed, while in late autumn,

When to fertilize Ibiscus?


The ideal fertilizer for Ibiscus is compost (well the one made with kitchen waste) to be mixed with the soil when repotting, or the manure to be buried at the base of the plant. There are also special liquid fertilizers on the market, which are chemical and contain the macro and microelements necessary for growth. Flowering should be helped with a good fertilizer diluted in irrigation water every 15/20 days. In autumn, on the other hand, potassium and phosphorus-based fertilizers will serve to strengthen the stem and the root system in the vicinity of the lowering of temperatures. The adult plant must be given nitrogen really in moderation since its accumulation would damage it. If you buy a trivalent fertilizer, it is good to choose a rather low nitrogen content. During the’

The Ibiscus: Exposure, diseases and remedies


Ibiscus does not like drafts, loves sunny and south-facing locations. If the climate does not allow the plant to grow outdoors, it is possible to gradually accustom it to the open air in spring and summer. In this case, however, it is important that in the early days it can enjoy a protected and shaded position. Even later, at least for a short time, it will be advisable not to leave it in the sun during peak hours. The plant will eventually be considered acclimatized and a slight number of yellowing leaves can be considered normal. Ibiscus can undergo various pathologies mostly linked to erroneous cultivation techniques (excess of fertilizer for example), to which are added the attacks of the main phytophages, such as scale insects, mites, aphids. Against these, especially if the plant is grown outdoors, you can use the normal insecticides on the market, the concentration of which, however, it should be noted, is harmful if used in the apartment. The morning washes under the jet of water that washes away dust, insects and eggs are very welcome, making sure that the earth in the pot does not soak and avoiding the slow effect of drops of water in the sun.

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