For stronger plants, and for brighter blooms, this high potash feed also helps ripen tomatoes, onions and other vegetables. Apply using a watering can or diluter. Hanging baskets, tubs and bedding plants:Start feeding from planting out unless a slow release fertiliser has been added, when feeding should be delayed for 4-5 weeks.As a weekly feed: Add 10g to every 6 litres of clean, cold water. Tomatoes:Mix 5g in 6 litres. Use in place of ordinary watering, after the first flowers have set, and continue feeding during the season.Leeks, Onions, Pumpkins and other Vegetables: Mix 5g in 6 litres and apply the feed to the soil or growing media in place of normal watering from the end of June. Lawns: Mix 60g in 6 litres of water and apply the feed to the 10m2 of lawn using a watering can and fine rose.