Warm- to Cool-Growing Orchids

Before buying an orchid, make sure you can give it the temperature it needs. Learn how to choose the best orchid for you.
From: DK Books - How to Grow
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Photo By: DK - How to Grow Practically Everything © 2010 Dorling Kindersley Limited

Photo By: DK - How to Grow Practically Everything © 2010 Dorling Kindersley Limited

Photo By: DK - How to Grow Practically Everything © 2010 Dorling Kindersley Limited

Warm-Growing Orchids

Tender orchids, such as Dendrobium hybrids and Phalaenopsis, require warmth all year, with a minimum winter temperature of 61-64 degrees F. They will tolerate occasional dips, and are fine in centrally heated houses, if moved away from cold windowsills at night.

Intermediate Orchids

Cattleya, Epidendrum and Paphiopedilum require more warmth in winter than cool-growing orchids, but will tolerate slightly higher temperatures in summer. Most grow well indoors but should be moved away from cold windowsills at night during winter.

Cool-Growing Orchids

This group includes Cymbidium and Oncidium, which prefer low temperatures all year. Stand them outside in summer in a sheltered spot, then bring them in to an unheated room, such as an enclosed porch, for winter, keeping them around 46-50 degrees F.

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