What causes the phenomenon of Cymbidium 'arrow-clamping'
This article introduces the reasons for the 'arrow-clamping' in Cymbidium and elaborates on the four main causes related to green plant knowledge. Details are as follows:
The blooming period of Cymbidium is in the winter and spring seasons, but only a few bloom in winter because the plants form flower buds at this time, and only bloom when it warms up in the spring. During this stage, many hobbyists' Cymbidiums experience 'arrow-clamping' due to improper care. This means the flower spike fails to fully emerge before blooming, and the flowers get trapped between two leaves, affecting the ornamental value. So how should one care for Cymbidium to prevent 'arrow-clamping'?
First: Control the temperature
Cymbidium usually starts to grow flower buds internally from late autumn to early winter. During this time, it is important to control the ambient temperature and create a certain temperature difference to facilitate bud differentiation.
In late autumn or early winter, when temperatures are not yet very low, do not move the Cymbidium indoors too early. It can continue to be kept outdoors, with a day-night temperature difference of about 10°C for about 40 days, which can promote rapid bud formation. Then move it to a warm indoor environment for care, and regularly supplement nutrients to encourage early flowering.
Second: Reasonable watering
After entering winter, Cymbidiums mostly form flower buds inside the base. At this time, there is no need to water excessively. Because the temperature is low, and the plant is being cared for indoors, the soil dries slowly, and the plant's water demand is low. Frequent watering will keep the soil in the pot moist, which can damage the roots and prevent the plant from absorbing nutrients properly, affecting normal flowering.
Watering Cymbidium throughout the winter should be controlled, keeping the soil slightly dry. Of course, it should not be completely dry. Just water when the soil is about 80-90% dry, allowing a transition from wet to dry, and avoid watering again when the soil is still moist, as this is not conducive to plant growth and flowering.
If spring arrives and temperatures start to rise, the plant enters the peak growing season, and the watering frequency can be increased slightly to prevent excessive water deficiency.
What causes the phenomenon of Cymbidium 'arrow-clamping'
Third: Fertilizing to supplement nutrients
Should Cymbidium be fertilized during the winter? This depends on the situation. If indoor heating keeps the temperature above 18°C, the plant is in a growing state and will need nutrients. If the environmental temperature can only ensure that the plant does not freeze, around 10°C, there is no need to fertilize.
When fertilizing during the bud formation period, use phosphorus and potassium fertilizers to promote rapid bud growth. You can apply 'Flower More 2' or potassium dihydrogen phosphate once or twice a month. When the plant starts to draw a spike, you can water with a dilute beer solution, which can help the flower spike grow quickly and reduce the occurrence of 'arrow-clamping'.
Fourth: Exposure to sunlight
Cymbidium has different sunlight requirements in different seasons. It is a semi-shady plant. During the hot summer, the plant enters a dormant state and is easily sunburned when placed in direct sunlight.
In other seasons, it is in the growing stage and requires adequate sunlight for better growth and flowering. In winter, sunlight is gentle, and the potted plant can be placed directly in the sun, with leaves facing the sun. Rotate the pot once a week to ensure all leaves receive even light.
If your Cymbidium has reached the flowering age and shows signs of blooming, it is essential to pay attention to the above four aspects of care to ensure successful flowering.
This article shares the reasons for the 'arrow-clamping' in Cymbidium and details the four main causes, providing a comprehensive understanding and reference for you!