Apartment plants

Porcelain flower - Hoya carnosa

Porcelain flower - Hoya carnosa

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Flat succulent plant, native to Asia and Australia, which is part of a family that has over 70-80 varieties. It has fleshy leaves and stems, which secrete a sticky substance if cut; the leaves are oval, pointed, of a beautiful light green, appear opaque because coated with a waxy cuticle. In spring and summer it produces large and showy inflorescences, consisting of small star-like flowers, also waxy, pinkish-white, with a red center, very fragrant especially in the evening hours. Due to these characteristics it is also known as porcelain flower.


It prefers sunny positions, the important thing is that they are very bright; in summer it is however advisable to shade the flowers to prevent them from being ruined; the specimens of porcelain flower they fear the cold, and in winter they have to be hospitalized at home, in any place in the house bright enough, they do not fear the dry heat of domestic heating.


From March to October supply water in small quantities but very often, taking care not to let the soil dry too much between one watering and another; with the arrival of the first cold, decrease the watering to allow the plant to porcelain flower to begin the winter rest, during the winter water every 10-15 days. Add fertilizer water to the water every 10-15 days in spring and summer.


It has no special needs, even if it prefers sandy and well-drained soils; if desired, an ideal substrate can be prepared by mixing equal balanced universal soil, sand and acid soil in equal parts. It does not require frequent repotting, preferring small containers with little soil.


The multiplication takes place by seed, using fresh seeds in autumn, to obtain them it is advisable to cover the fruits with gauze, since when ripe they tend to "explode", throwing the seeds into the air. It is also possible to practice stem and leaf cuttings.

Pests and diseases

If the water of the watering enters the ground it is possible that the plant is hit by root rot. Sometimes it is infested with cochineal.
Variety: H. erytrosthemma has white flowers with red borders, H. purpurea has purple-red flowers.

Porcelain flower - Hoya carnosa: Hoya bella

In addition to the Hoya carnosa, the second most cultivated and appreciated Hoya species is the beautiful Hoya, a plant characterized by a hanging habit with smaller and smaller dimensions compared to the Hoya carnosa. The leaves are in fact shorter, about 2.5 cm, and opaque in color while the stems are thin.
The beautiful Hoya is always native to India and has the flower very similar to the fleshy flower.
As for its cultivation, it is a plant that needs high temperatures and that in winter is kept in an apartment because it is a plant that suffers temperatures below 10 ° C.
Choose a well-lit location for the beautiful Hoya but be careful in the summer, when you take it outside, not to put it under direct light. Often also for the Hoya bella, semi-circular metal supports are used on which the branches of the plant are fixed to give a characteristic arch shape.
As for the water, give Hoya a drink once in a while and in abundance, but between one watering and another you will have to wait until the soil of the plant has dried because it is a species that suffers a lot from water stagnation.