Searles Robust Flower Booster 500g Fertilises all your favourite flowers and roses instantly and continues feeding for up to 6 months. PRODUCT DETAILS Controlled release fertiliser + instant plant food & trace elements providing 6 months feeding. Robust� Flower Booster produces gorgeous blooms and deep green growth by supplying vital nutrients through the growing season. Boosted with extra Potash (K) to produce impressive blooms and bud development. Additional Iron (Fe) and Magnesium (Mg) helps to keep these beautiful plants healthy with wonderful dark green foliage. Robust� Flower Booster is ideally suited to all flowering plants as well as acid loving plants due to the continued release of essential plant feeding nutrients. NPK: 16 : 2 : 14.1 - Available sizes: 500g tubs. - Recyclable conatiner - polypropylene, recycling symbol number 5 (number not stamped on container)