Special Add On OfferEach sachet per 10 litre watering can will cover 8 10 square metres 85 105 square feet of planted bedding, 4 5 27cm containers, approximately 160 9cm pots or 46x10 cell grow on trays.If you want larger, more beautiful plants, then get your bedding off to a great start with our Accelerata bedding plant feed. Ready measured, these sachets contain water soluble plant feed.