What Is the Ideal Temperature Range for Spanish needles?
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 Spanish needles
Spanish needles has strong cold resistance, so special frost protection measures are usually not necessary during winter. However, if the winter temperatures are expected to drop below -35°C, it is still important to provide cold protection. This can be achieved by covering the plant with materials such as soil or straw. Before the first freeze in autumn, it is recommended to water the plant abundantly, ensuring the soil remains moist and enters a frozen state. This helps prevent drought and water scarcity for the plant during winter and early spring.
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Signs of Low and High Temperature in Spanish needles
Symptoms of Low Temperature in Spanish needles
Spanish needles is cold-tolerant and thrives best when the temperature is above 20°C. During winter, it should be kept above 0°C. When the temperature falls below -35°C, although there may not be any noticeable changes during winter, there may be a decrease in sprouting or even no sprouting during springtime.
Solutions for Low Temperature in Spanish needles
In spring, remove any parts that have failed to sprout.
Symptoms of High Temperature in Spanish needles
During summer, Spanish needles should be kept below 35°C. When the temperature exceeds 38°C, the leaves of the plant may become lighter in color, prone to curling, susceptible to sunburn, and in severe cases, the entire plant may wilt and become dry.
Solutions for High Temperature in Spanish needles
Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the midday and afternoon sun, or use a shade cloth to create shade. Water the plant in the morning and evening to keep the soil moist.
