Daffodil
Symptom Cause  
Bulbs Do Not Flower
Bulbs Planted Too Shallow
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Buds Dry Before Opening; Brown Spotted Leaves
Environmental Problems
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Plants Stunted; Die Prematurely, pinkish-white fungus may be visible, eventually the bulb rots completely and in storage appears mummified
Fusarium Basal Rot
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Bulbs Softened; Larvae feed in bulbs, causing yellow foliage and stunted plants.
Larvae Of Narcissus Bulb Fly
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Leaves Develop Long Yellow Streaks down the leaves of daffodils and jonquils. These become progressively more pronounced as the leaves lengthen
Narcissus Yellow Stripe Virus
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Bulbs Do Not Flower
Needs Fertilizer
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Bulbs Do Not Flower
Over Fertilized
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Ragged Holes In Leaves, Often In Middle
Slugs and Snails
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Bulbs Do Not Flower
Soil Too Wet/Dry
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Bulbs Do Not Flower
Squirrels
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Leaves Discolored; Black Fecal Spots On Underside Of Leaf.
Thrips
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Bulbs Do Not Flower
Too Much Shade
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Bulbs Do Not Flower
Voles
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