This variety is native to tropical America and is characterized by robust stems that can reach one and a half meters in height. The leaves are about 30-40 cm long, are dark green and have characteristic irregular spots of white / yellow and numerous white spots.
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The variety Maculata is native to Brazil; it is up to one metre tall, has green leaves about 20-25 cm long, and with lighter green and cream-coloured spots.
The variety Seguine is one of the largest species; the stem can reach 2 m in height. The leaves are elliptical, about 40 cm long and are deep green and shiny.
It is a plant that can be grown in greenhouses, in apartments, or outside in warm and humid countries where the winter temperature does not drop below 15 ° C. For short periods they can resist even to lower temperatures, but in this case we suggest to water moderately, as they are plants that rot easily.
In winter it is better to keep them exposed to the light, but in the summer months it is advisable not to expose them to direct sunlight. If grown in particularly hot places, it is advisable to spray the leaves with a vaporizer once or twice a day during the warmer months, with water at room temperature, to avoid dangerous temperature changes. The most suitable temperatures for the cultivation of these plants are between 20 and 30 °C.
If we want to have some fairly big specimens, we have to repot them every year, starting from 10-15 cm pots up to using about 30 cm pots.
In the period between April and June, detach the apex with a stem part about 8 cm long, remove the lower leaves, and put to root in a compound of sand and peat (in equal parts), at a temperature of about 22-24 ° C.
The rest of the stem can be cut into parts about 6 cm long, which, once covered with the same mixture of peat and sand, can be rooted and then potted into containers with a diameter of about 10 cm.
Pests and diseases
These plants can be affected by red spider mite, cochineals or fungal diseases, resulting from excessive moisture. If they are affected by a particular rot of bacterial origin, due to the Erwinia chrysanthemi var. dieffenbachiae, it is difficult to save the plant. It is important to intervene quickly by eliminating all the affected parts and transferring the healthy part into a new soil.
For cochineals, on the other hand, if they are not very common, they can be removed manually with the use of a cloth or a pad with alcohol. Red spiders can be eliminated with frequent vaporization of water on the leaves or with the use of specific insecticides.