Narcissus are known for their traditional daffodil shape, a large flower on one stem with a large center cup. Each mix is unique and promises to provide the bright cheery spring colors everyone loves so much. Full Sun, Partial Shade Blooms Mid Spring Tall Zone 2-10 Narcissus: These bulbs can be left in the ground after blooming to multiply over the years. If you wish to subdivide bulbs after 2 or 3 years of blooming, harvest them immediately after the foliage has died down. Divide and store in a well-ventilated, cool, dry place, then replant in the fall.