Pest identification
What's eating my juniper bonsai?
Spider mites
Signs: Needles turn grey or bronze then brown; fine webbing on foliage; branches can die if untreated.
Control: Mist foliage frequently; spray with miticide or neem oil every 5 days; move to a cooler, more humid spot if possible.
Scale insects
Signs: Waxy, shell-like bumps clustered along stems and at needle bases; slow dieback of affected branches.
Control: Scrub off with a soft brush and horticultural oil; systemic insecticide for heavy infestations; inspect monthly.
Aphids
Signs: Sticky deposits on foliage; distorted new growth tips; ants farming aphid colonies.
Control: Spray with water or insecticidal soap; manually remove colonies on small trees; neem oil as preventive.
Keep juniper bonsai pest-free
Healthy plants resist pests best. Get the basics right:
Juniper Bonsai pests — FAQ
What is eating my juniper bonsai?
Juniper bonsai kept indoors or outside faces spider mites as its primary pest — junipers are especially vulnerable in warm, dry rooms. Scale insects colonize the bark. Aphids attack growing tips. Outdoors, juniper aphid and juniper webworm can cause significant damage. Good ventilation and regular misting dramatically reduce mite risk.
How do I get rid of spider mites on juniper bonsai?
Needles turn grey or bronze then brown; fine webbing on foliage; branches can die if untreated. Mist foliage frequently; spray with miticide or neem oil every 5 days; move to a cooler, more humid spot if possible.
How do I get rid of scale insects on juniper bonsai?
Waxy, shell-like bumps clustered along stems and at needle bases; slow dieback of affected branches. Scrub off with a soft brush and horticultural oil; systemic insecticide for heavy infestations; inspect monthly.
How do I get rid of aphids on juniper bonsai?
Sticky deposits on foliage; distorted new growth tips; ants farming aphid colonies. Spray with water or insecticidal soap; manually remove colonies on small trees; neem oil as preventive.