When speaking of indoor bonsai, we mean tree species from tropical and subtropical climates, where climatic conditions are maintained throughout the year. Indoor bonsai represent species that usually grow in these areas and it would be difficult for them to live in very cold or very hot climates.
In fact there are no indoor bonsai, all of them are outdoor trees by their nature; however, species living in different climatic zones to which we are accustomed must be grown indoors, where they can be protected from climatic changes that would result Difficult to trees.
Only species of bonsai that are not indigenous and require special conditions of temperature, humidity, irrigation, etc. should be cultivated indoors. These species should be kept indoors during the cold seasons of the year, and may remain outdoors during spring and summer.
Species of indoor bonsai
Trees originating in tropical and subtropical climates are the most ideal for indoor, some species are:
Azalea japonica: is a persistent foliage shrub that requires continuous irrigation, especially during the summer.
Brazilian rain tree: a South American tree that has twisted trunk and exfoliated bark, ideal to be cultivated as bonsai requires moderate water with good soil drainage.
Neea buxifolia: is vertical growth, with thin leaves with green shrub, should always be kept moist.
Ficus neriifolia: an evergreen tree that grows fast, ideal to be a bonsai, does not withstand frost and should be watered in moderation, letting it dry a little during the winter.
Calliandra haematocephaia: of tropical and Asian origin, it is a small bush of resistant foliage with green leaves; one must maintain a constant irrigation.
Bougainvillea spp: blooms during spring and summer, may have different colors in flowers and should be watered with plenty of water during the summer.
Adeniun obesum: it is a shrub of beautiful pink flowers with a huge stem under its cylindrical branches, it should be watered quite moderately during its growth and keep the ground half dry in the winter.
