What Is the Ideal Temperature Range for Broad bean?

Ideal

Tolerable

Unsuitable

Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish.

Temperature Essentials for Broad bean

Regional wintering strategies

Broad bean prefers relatively warm temperatures, so maintaining temperatures above 20°C during winter cultivation is beneficial for plant growth. The minimum temperature should be kept above freezing point to prevent the plant from freezing damage. When the outdoor temperature approaches -5°C (25°F) during winter, it is advisable to bring Broad bean indoors or provide protection by setting up a temporary greenhouse or using materials such as plastic film or fabric to wrap the plant.

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free

Signs of Low and High Temperature in Broad bean

Symptoms of Low Temperature in Broad bean

Broad bean has moderate tolerance to low temperatures and thrives best when the temperature is between 20°C and 35°C. During winter, it should be kept above 0°C. When the temperature falls below -30°C, the leaves may darken in color. In severe cases, water-soaked necrosis, wilting, and drooping may occur, and the color of the leaves gradually turns brown.

Solutions for Low Temperature in Broad bean

Trim away the frost-damaged parts. Immediately move indoors to a warm environment or set up a makeshift greenhouse for cold protection. When placing the plant indoors, choose a location near a south-facing window to ensure ample sunlight. If there is insufficient light, you can use supplemental lighting.

Symptoms of High Temperature in Broad bean

During summer, Broad bean should be kept below 35°C. When the temperature exceeds 38°C, the plant's growth slows down, the color of its leaves becomes lighter, and it becomes more susceptible to sunburn.

Solutions for High Temperature in Broad bean

Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the afternoon sun. Water the plant in the morning and evening to keep the soil moist.