When your spring bulbs appear, sprinkle a small amount of organic fertilizer and lime around - not on - the new greens. This will wash into the soil with spring rains and help the bulb get ready for next year’s flowers. This year’s flower is already in the bulb, waiting for the right weather to appear. An application of organic mulch around the foliage will keep weeds down around the bulbs and add organic to the soil later. If you planted your bulbs among perennials, (good for hiding the bulb foliage as it dies) do not mulch until the perennials are up.