Greenhouse plants

Many plants that are grown in a heated greenhouse may also be grown in a conservatory, glassed-in porch or even a bay window. An extension or bay window forms a sort of glasshouse, although it is open on one side, without any glass separating it from the living room. Of course, this does not provide as much heat and moisture as an enclosed space, but it is still possible to grow some bromeliads and orchids, as well as cacti and other succulent plants here. An enclosed space, such as a lean-to or a miniature conservatory, is separated from the living room by a sliding or removable glass panel or by doors. If artificial lighting is installed it adds a further dimension to a miniature (or full-sized) conservatory, turning it into a delightful decorative feature in the evenings. An enclosed glasshouse of this sort makes it possible to grow plants with demanding heat and moisture requirements. Nepenthes, Guzmania and Siderasis fus-cata are typical examples.

Large glass-panelled and Wardian cases also serve the same purpose as conservatories. They are like miniature glasshouses but can be placed anywhere inside a room rather than adjacent to a window. They can be located permanently in one position, say between two pieces of furniture, in a corner or in an alcove. Alternatively, smaller cases may be moved to different positions in the room. Plants grown in these sorts of cases must be provided with artificial light – by means of light bulbs along the top of the case. Plant-cases are usually heated electrically.

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