Billbergia nutans prefers very bright places, but not direct contact with the sun’s rays. The ideal cultivation temperature is around 15° C, therefore in summer it is better to place them outside, in the shade, in well ventilated places, protected from the sun and the heat; in winter, they are admitted in the house, possibly far away from sources of heat and sheltered from draughts.
It is a plant which adapts well to temperatures which can vary from about 10 °C, in the winter period, to reach around 30 °C in the summer season. They are plants which can be placed in airy places, which is a positive factor for the plant, but not in presence of cold air currents.
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These plants need a good amount of ambient humidity, so it is best to water them often with small amounts of water, letting the substrate dry slightly between one watering and the other. It is advisable to vaporize the leaves often with distilled water and place the plant in a saucer filled with expanded clay, which should always be left moist. Watering water should never be calcareous.
A good habit is to fill the calyx formed by the rosette of leaves with water, since it can act as a water reserve for the plant.
Provide fertilizer for green plants every 10-15 days with the water of the watering.
The Billbergia nutans needs a good, rich and very well drained soil; we suggest using a balanced universal soil, mixed with a small quantity of sand, on the bottom of the pot place a layer of gravel or expanded clay to help the drainage. The soil must have a certain acid component.
Billbergies usually produce basal suckers, which can be detached from the mother plant in the spring; new plants should be repotted immediately in individual containers. Usually, suckers start to bloom after a period of one to three years.
In summer and spring the seeds can be sown still fresh, the seedbed is to be kept humid in a position protected from the cold and the sun with constant temperature, around the 25 °C.
Billbergia nutans: Pests and diseases
This plant is usually not attacked by parasites, occasionally it can be affected by aphids and cochineals, which can be effectively countered by the use of special pesticides, or by the preparation of macerates based on nettle or garlic to vaporize on the plant. In the case of cochineal, then, it is possible to intervene mechanically to eliminate the parasite from the leaves with the help of a cotton ball with alcohol.