1- In former times the yew tree symbolised mourning and sadness. While few people would necessarily recognise a yew tree, there is, on an unconscious level, awareness of such knowledge in everyone. Such a svmbol can surface as instinctive awareness in dreams.
2- There can be an aspcct of wordplay here in that the ‘yew’ is in fact ‘you’ in the sense of someone other than the dreamer. This wordplay is a way of focusing the dreamer’s attention away from himself.
3- A yew tree, which is said to outlive manv other trees, may symbolise spiritual immortality.... Ten Thousand Dream Dictionary
A yew tree outlives most other trees, and regenerates when its branches take root, so even if the main trunk dies it still continues. Thus it symbolizes transformation, great age and spiritual immortality. Ancient peoples were in the habit of planting yew trees as acts of sanctification near to where they expected to be buried.... Dream Meanings of Versatile
Psychological / emotional perspective: Considered to be the most powerful tree for protection against evil, the yew is a means of connecting to your ancestors and a bringer of dreams and journeys into other dimensions. There can also be an aspect of word-play here as sometimes happens in dreams, in that the ‘yew’ is focusing your attention away from yourself as the dreamer to some other aspect of the dream.... Dream Meanings of Versatile
Material aspects: In former times the yew tree symbolized mourning and sadness and was a symbol of the old magic. While few people would necessarily recognize a yew tree, there is, on an unconscious level, awareness of such knowledge in everyone. Such a symbol can surface as instinctive awareness in dreams.... Dream Meanings of Versatile