Pest identification
What's eating my lilium 'matrix'?
Lily beetle (Lilioceris lilii)
Signs: Leaves and buds eaten rapidly; larvae on stems under excrement; compact plants defoliated quickly
Control: Hand-pick beetles and larvae every 2-3 days; spray acetamiprid or pyrethrum if numbers are high
Vine weevil (Otiorhynchus sulcatus)
Signs: Grubs eat bulb scales and roots in container compost; plant collapses suddenly with no above-ground warning
Control: Drench container compost with nematodes (Steinernema kraussei) in August-September; repot annually and inspect bulb
Aphids
Signs: Colonies on stem tips and flower buds; honeydew residue; distorted new growth
Control: Spray insecticidal soap or neem oil; wipe off by hand on container specimens; encourage ladybirds
Keep lilium 'matrix' pest-free
Healthy plants resist pests best. Get the basics right:
Lilium 'Matrix' pests — FAQ
What is eating my lilium 'matrix'?
'Matrix' is a dwarf Asiatic lily well-suited to containers and borders. Lily beetle is the chief threat, with vine weevil grubs a significant secondary risk when grown in pots. Aphids congregate on buds. Because of its compact habit, a small beetle population causes outsized damage — scout and hand-pick from the first spring growth.
How do I get rid of lily beetle (lilioceris lilii) on lilium 'matrix'?
Leaves and buds eaten rapidly; larvae on stems under excrement; compact plants defoliated quickly Hand-pick beetles and larvae every 2-3 days; spray acetamiprid or pyrethrum if numbers are high
How do I get rid of vine weevil (otiorhynchus sulcatus) on lilium 'matrix'?
Grubs eat bulb scales and roots in container compost; plant collapses suddenly with no above-ground warning Drench container compost with nematodes (Steinernema kraussei) in August-September; repot annually and inspect bulb
How do I get rid of aphids on lilium 'matrix'?
Colonies on stem tips and flower buds; honeydew residue; distorted new growth Spray insecticidal soap or neem oil; wipe off by hand on container specimens; encourage ladybirds