Give your bulbs a boost with this universal controlled release bulb fertiliser this fertiliser will give your bulbs all the nutrients that they require to flower to their full potential this bulb fertiliser will work for up to 6 months so you won39t need to use any other feed wonderfully straightforward to use just mix it with compost prior to planting in patio containers or add a sprinkle to each planting hole before planting out individual bulbsuseful linkshow to use fertilisers