Pest identification
What's eating my hyacinthus orientalis 'delft blue'?
Slugs and snails
Signs: Ragged holes in young shoots and leaves; silvery mucus trails across soil and foliage.
Control: Apply iron phosphate pellets around emerging shoots; use a grit mulch in borders; hand-pick after dark.
Aphids
Signs: Sticky honeydew and sooty mould on flower spikes; distorted or discoloured blooms.
Control: Knock off with a strong water jet; spray with insecticidal soap; plant alongside companion plants that attract predatory insects.
Vine weevil (Otiorhynchus sulcatus)
Signs: Wilting plant that lifts easily from soil; white C-shaped grubs found eating roots and bulb base.
Control: Apply pathogenic nematodes (Steinernema kraussei) to moist compost in autumn; use vine-weevil-proof fabric barriers on pots.
Squirrels and mice
Signs: Newly planted bulbs dug up and removed or eaten in autumn.
Control: Cover beds with chicken wire pegged flat until bulbs are established; plant bulbs deeper (15 cm) as a deterrent.
Keep hyacinthus orientalis 'delft blue' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats hyacinth — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common hyacinthus orientalis 'delft blue' problems & fixes
- Hyacinthus orientalis 'Delft Blue' watering schedule
- Hyacinthus orientalis 'Delft Blue' light requirements
- Full hyacinthus orientalis 'delft blue' care guide
Hyacinthus orientalis 'Delft Blue' pests — FAQ
What is eating my hyacinthus orientalis 'delft blue'?
Hyacinthus orientalis 'Delft Blue' faces few animal pests because its bulbs are mildly toxic, but slugs readily eat emerging shoots and aphids colonise flower spikes. Vine weevil grubs can damage bulbs in containers. Squirrels and mice may dig up freshly planted bulbs, and birds occasionally peck open blooms.
How do I get rid of slugs and snails on hyacinthus orientalis 'delft blue'?
Ragged holes in young shoots and leaves; silvery mucus trails across soil and foliage. Apply iron phosphate pellets around emerging shoots; use a grit mulch in borders; hand-pick after dark.
How do I get rid of aphids on hyacinthus orientalis 'delft blue'?
Sticky honeydew and sooty mould on flower spikes; distorted or discoloured blooms. Knock off with a strong water jet; spray with insecticidal soap; plant alongside companion plants that attract predatory insects.
How do I get rid of vine weevil (otiorhynchus sulcatus) on hyacinthus orientalis 'delft blue'?
Wilting plant that lifts easily from soil; white C-shaped grubs found eating roots and bulb base. Apply pathogenic nematodes (Steinernema kraussei) to moist compost in autumn; use vine-weevil-proof fabric barriers on pots.
How do I get rid of squirrels and mice on hyacinthus orientalis 'delft blue'?
Newly planted bulbs dug up and removed or eaten in autumn. Cover beds with chicken wire pegged flat until bulbs are established; plant bulbs deeper (15 cm) as a deterrent.