Pest identification
What's eating my lilium 'casa blanca'?
Lily beetle (Lilioceris lilii)
Signs: Complete defoliation if unchecked; red adults visible on foliage; larvae hidden under excrement on leaves
Control: Daily hand-picking; targeted insecticide (acetamiprid) at first sighting; remove egg clusters from leaf undersides
Aphids
Signs: Sticky residue on buds and stems; distorted growth; can spread tulip breaking virus to lilies
Control: Spray with insecticidal soap or neem oil; use reflective mulch to deter winged aphids
Deer
Signs: Entire flower stems browsed overnight; ragged stem ends left behind; repeated grazing weakens bulbs
Control: Apply deer repellent spray; erect physical fencing; plant deterrent species (alliums, lavender) nearby
Keep lilium 'casa blanca' pest-free
Healthy plants resist pests best. Get the basics right:
Lilium 'Casa Blanca' pests — FAQ
What is eating my lilium 'casa blanca'?
'Casa Blanca' Oriental lily faces lily beetle as its primary pest — red adults and slimy larvae strip leaves fast. Aphids and botrytis blight can also damage the pure-white blooms in humid conditions. Deer find lilies highly palatable. Weekly hand-picking of lily beetles is the most effective control for this cultivar.
How do I get rid of lily beetle (lilioceris lilii) on lilium 'casa blanca'?
Complete defoliation if unchecked; red adults visible on foliage; larvae hidden under excrement on leaves Daily hand-picking; targeted insecticide (acetamiprid) at first sighting; remove egg clusters from leaf undersides
How do I get rid of aphids on lilium 'casa blanca'?
Sticky residue on buds and stems; distorted growth; can spread tulip breaking virus to lilies Spray with insecticidal soap or neem oil; use reflective mulch to deter winged aphids
How do I get rid of deer on lilium 'casa blanca'?
Entire flower stems browsed overnight; ragged stem ends left behind; repeated grazing weakens bulbs Apply deer repellent spray; erect physical fencing; plant deterrent species (alliums, lavender) nearby