‘Rose de Rescht’ : Damask Rose Rose for Jam, Syrup, Tea Flowers a charming rose, with a fabulous, strong fragrance. Its petals produce tasteful syrup& fragrant, delicious jam. & tea petals, as well as other rose fragrance products. Not recommended for the production of essential oils as it does not produce enough. he colour of their petals is dark pink. It flowers abundantly every 3-4 weeks. So not only look lovely, but you can produce tasteful fragrant jam out of the petals.