Purple Rose bush in dreams
A flowering bush with thorns — beauty that comes with built-in defence.
How purple changes the reading
Purple colour places the symbol between hot and cool — a reading that has both calm and intensity at once. The dream often uses purple for symbols that do not fit the usual categories cleanly. Take the reading more seriously than you would otherwise; the colour is asking you to.
The base reading of Rose bush
A rose bush in a dream is the dream's image of beauty that has thorns as a normal part of itself. The bush does not separate the flowers from the protection; both are the plant. The dream brings the rose bush when something or someone in your life is offering real beauty and the thorns are not optional. A rose bush in full bloom is the dream telling you the beauty is worth the careful handling. A rose bush whose thorns have torn you is the dream marking that the beauty was real and you reached without respect for how the bush is built.