The phrase "rose arms" has several possible synonyms that can be used to provide variety and nuance in your writing. Some options to consider include "pink limbs," "floral appendages," "blossom branches," "blooming appendages," and "flowering extremities." Depending on the context and tone of your writing, you may also want to explore more poetic and descriptive alternatives, such as "petal-clad arms," "fragrant stems," "leafy boughs," or "thorned tendrils." Ultimately, the best synonym for "rose arms" will depend on the specific message and style you are aiming to convey, as well as the overall tone and voice of your piece.