Easter lily pests, webbing or sticky leaves: causes and what to do
6 results in the diagnosis tree begin with pests, 5 of them marked likely when the answers fit. They are ordered here for Easter lily (Lilium longiflorum), using what its sources say about pests and diseases and humidity and 3 problems recorded for it.
Sources last read 14 September 2026.
Lilium longiflorum, often called the Easter lily, is a species of plant endemic to both Taiwan and Ryukyu Islands (Japan). Lilium formosanum, a closely related species from Taiwan, has been treated as a variety of Easter lily in the past. Wikipedia, CC BY-SA 4.0
Native range: Japan (Yakushima, Tanegashima) to Philippines (Batan Is., N. Luzon) (subtropical). Also sold as Bermuda lily, November lily, Trumpet Lily and white trumpet lily.
What Easter lily’s sources say that bears on this
- Pests and diseases
- Can be troubled by bulb mites, slugs and snails, aphids (including potato aphid and tulip aphid) and narcissus bulb fly.NC State Extension · read 13 September 2026Can be troubled by wireworms, leatherjackets, thrips, snails, slugs, aphids and lily beetle, and damaged by voles and rabbits; container plants can get vine weevil. Diseases: a virus and grey moulds; see lily diseases.RHS · read 13 September 2026
- Humidity
- ASHRAE recommends indoor relative humidity between 30% and 60%Penn State Extension · read 13 September 2026
How this shows up on an Easter lily
Clusters of small soft insects on the shoot tips and buds: aphids
Green, black or pale insects crowd the soft tips and buds of the Easter lily. New leaves curl, and white cast skins collect below.
RHS lists aphids among the pests it may attract. Colonies build within days on young shoots, and the honeydew they shed makes the leaves sticky.
Telling it apart: What the white bits are. Aphids leave papery cast skins; mealybugs leave wax with an insect inside.
RHS · read 13 September 2026Silvery streaks with black specks on the leaves: thrips
Patches of the Easter lily turn silver-gray, with black specks of excrement, and new growth may be scarred.
RHS lists thrips among the pests it may attract. The black dots are their droppings, and the silver is air where the cell contents were.
Telling it apart: The black specks. Silvering with black dots is thrips; pale dots without them point at mites.
RHS · read 13 September 2026Sudden wilting from a root pest: vine weevil grubs in the potting mix
The plant rocks loose in its pot and droops, and the root ball holds curled white grubs among chewed roots.
RHS lists vine weevil among the pests it may attract. Grubs hatch in the potting mix and eat the roots out of sight, so a plant in a pot can collapse with little warning.
Telling it apart: Whether the plant is loose. Grub damage leaves a plant that lifts from its pot with few roots.
RHS · read 13 September 2026Possible causes, likeliest first for an Easter lily
Most likely aphids
Ranked higher because Easter lily's recorded problems point this way.
- Clusters of small soft insects on the shoot tips and buds: aphids RHS
Why: Aphids cluster on soft new growth and flower buds, where the sap is easiest to reach.
What to try:
- Rub them off with fingers, or rinse them off in a sink or shower.
- Repeat every few days while new ones appear.
What would settle it: Look for the pale shed skins among the insects. Aphids molt as they grow, and the skins are left behind in the colony.
Most likely spider mites
Why: Spider mites feed on individual leaf cells, and each emptied cell shows as a pale speck.
What to try:
- Move the easter lily away from other plants.
- Wash the leaves, top and underside, with a strong spray of water in a shower or sink.
What would settle it: Hold a sheet of white paper under a leaf and tap the leaf. Tiny specks that move across the paper are mites.
Most likely mealybugs
Why: Mealybugs are soft insects that cover themselves in white wax, which gives the cottony look.
What to try:
- Move the easter lily away from other plants.
- Wipe off every insect you can see with a cotton swab dipped in rubbing alcohol, testing a single leaf first.
What would settle it: Touch a tuft with a cotton swab. If a small, pale, oval insect is underneath, it is a mealybug.
Less likely for an Easter lily, still possible
Questions
- What usually causes pests on an Easter lily?
- For Easter lily: aphids, spider mites and mealybugs.
- How can I tell which one it is on my Easter lily?
- What can you see? Fine webbing, and tiny pale speckles on the leaves; White, cottony tufts in the leaf joints; Small brown or pale bumps on stems and leaves that do not move; Clusters of small, soft insects on the new growth; Tiny dark flies around the soil; Sticky, shiny residue, but no insect I can see.
- What do Easter lily's sources say about its pests and diseases?
- NC State Extension: Can be troubled by bulb mites, slugs and snails, aphids (including potato aphid and tulip aphid) and narcissus bulb fly. RHS: Can be troubled by wireworms, leatherjackets, thrips, snails, slugs, aphids and lily beetle, and damaged by voles and rabbits; container plants can get vine weevil. Diseases: a virus and grey moulds; see lily diseases.
- What does this look like on an Easter lily?
- Green, black or pale insects crowd the soft tips and buds of the Easter lily. New leaves curl, and white cast skins collect below. Telling it apart: What the white bits are. Aphids leave papery cast skins; mealybugs leave wax with an insect inside.
- Is Easter lily safe to handle while I check it?
- Its sources list it as toxic to cats. Wash your hands after handling the roots or sap, and keep trimmings away from pets.
Other plants that show pests
African violetIrregular notches bitten from leaf edges by an insect pest
Barberton daisyCurled, sticky new leaves with green or black insects: aphids
Bearded irisRagged holes and slime trails: a slug or snail pest
Bigleaf hydrangeaClusters of small soft insects on the shoot tips and buds: aphids
Bird of paradiseDull, finely mottled leaves and faint webs: spider mites
Blue passion flowerPale stippled leaves and tiny moving dots underneath: a mite pest
Something else wrong with the Easter lily?
What this does not cover
This page orders a decision tree's results using a plant's sourced care. It has not seen your plant, its pot or its window, and two problems at once are common: that is the usual reason a confident answer turns out wrong. The questions in the diagnosis tool narrow it further than a list can.