What is making your foxtail palm trunk split and open at spots?

The splitting and opening of a foxtail palm trunk can be caused by several factors, including rapid growth, environmental stress, or fluctuations in moisture levels. Excessive watering or drought conditions can lead to uneven expansion of the trunk, resulting in splits. Additionally, pests or diseases may weaken the trunk structure, making it more susceptible to splitting. It's essential to monitor the palm's care and consider any underlying health issues.