They fill an often otherwise flowerless void in the drabbest of months. Peak of orchid bloom usually occurs between December and April. Humidity One of the things orchids greatly appreciate is adequate humidity. Fifty percent or more is necessary, but the atmosphere in most homes, especially those with dry, hot-air heat, is far below that. Raising the humidity around orchids will result in better flowering.
Orchids thrive in a humid atmosphere.
In the home, mist plants or set them on trays filled with gravel and water. Photograph copyright Charles Marden Fitch . High humidity, however, can create a host of problems, such as fungal diseases and bacterial infections that mar foliage and flowers alike. Natural, healthy orchid environments are full of breezes which counteract these potential hazards. Sufficient air movement is essential to keep them at bay in the home.