Ideal Temperature for Sword bean
Images of Sword bean
Signs of Cold Stress in Sword bean
Symptoms
Sword bean tolerates cool temperatures moderately well, flourishing optimally between 75℉ and 86℉. In colder months, maintain temperatures above 68℉. If temperatures drop below 59℉, foliage may darken. Severe cases can lead to water-soaked tissue death, wilting, drooping, and a gradual browning of leaves.
Solutions
Remove any parts damaged by frost. Promptly relocate the plant indoors to a warm spot or construct a temporary greenhouse for protection. When indoors, position it near a south-facing window for adequate light. If natural light is insufficient, provide artificial illumination.
Signs of Heat Stress in Sword bean
Symptoms
In warmer months, Sword bean should be kept below 86℉. When temperatures surpass 95℉, the plant's development slows, its leaves lighten in hue, and it becomes more prone to sun damage.
Solutions
Remove any parts that are sunburned and desiccated. Relocate the plant to an area offering protection from the afternoon sun. Water the plant during the morning and evening to maintain soil moisture.
