Why won't orchids bloom? These are the main reasons

Recently, a gardening friend said that the orchid they are growing won't bloom. So what exactly causes orchids not to bloom? Below, the editors at Chuzhan will introduce several reasons why orchids fail to bloom.

1. Improper watering and fertilizing

Orchids have fleshy roots. If watered too much, the potting soil stays damp for a long time, which easily causes root rot and yellow leaves; but if watered too little, the potting soil becomes too dry, which easily makes the pseudobulbs shrivel or causes other tissues to lose water and have their metabolism affected, and it will also lead to weakened tissues and poor plant growth, making blooming difficult. Therefore, orchids should be watered at the right time and in the right amount. The orchid-growing experience of our country's horticultural predecessors is: "In spring they like moisture, in summer and autumn they like slight dampness, and in winter they need moisture with some dryness." This experience is very valuable and well worth learning from. This is because summer and autumn are precisely the period of vigorous vegetative growth for orchids. If the soil is on the dry side at this time, it will inhibit nutrient absorption, thereby affecting reproductive growth and flowering. In winter, when room temperature is lower, soil that is too wet easily causes root rot and also affects their dormancy. Applying too much or too concentrated fertilizer easily causes root rot, turns the leaves yellow, and makes the leaf tips scorch; if nitrogen fertilizer is overemphasized, it makes the plant grow excessively, affecting flower bud differentiation. All these factors can affect normal blooming in orchids.

2. Too little light

Although orchids are sun-loving flowers, that does not mean they do not need light. If they are kept growing in a dark place for a long time, the accumulation of organic matter is limited and cannot meet the needs of reproductive growth, thus affecting flower bud differentiation, and naturally there will be no flowers or very few flowers the following year.

3. Winter room temperature

Improper Although orchids originated in the south, they still retain the stress resistance of wild plants, so their requirements for overwintering temperature are not high. Generally, the winter room temperature should not exceed 10°C. If the temperature is too high, Cymbidium goeringii and similar orchids cannot enter dormancy, which affects blooming the following year. Conversely, if the temperature is too low, the roots are easily damaged, which also affects blooming.

4. Damage from diseases and pests

Because orchids suffer severe damage from anthracnose, scale insects, and other diseases and pests, and no timely prevention and control is carried out, the plants grow weak and are also difficult to bring into bloom. In addition, when dividing plants, if the divisions are too scattered and a single planted division has few leaves, the accumulation of organic matter is small, and it is also unlikely to bloom; if the plant grows too vigorously and produces many leaf buds, this also easily inhibits flower bud differentiation. To make home-grown orchids bloom, daily care should be strengthened, with special attention to the several aspects of water and fertilizer, light, and temperature, so that things can go as desired.