Pest identification
What's eating my norfolk island pine?
Mealybugs
Signs: White cottony masses tucked at branch junctions and along stems; needles yellow and drop; sticky honeydew collects on lower branches.
Control: Dislodge with a stream of water; apply diluted neem oil or insecticidal soap spray thoroughly into branch whorls; repeat weekly for 3–4 weeks.
Spider mites
Signs: Needles turn pale, bronze, or dry-looking; fine webbing visible between needles; worst in centrally heated rooms in winter.
Control: Increase humidity with a pebble tray or humidifier; mist regularly; apply neem oil or miticide spray; rinse the entire tree in a shower monthly.
Scale insects
Signs: Brown waxy lumps on stems and along branch whorls; honeydew leads to sooty black mold on needles.
Control: Scrub with a soft brush dipped in soapy water; treat with horticultural oil; repeat applications are needed as eggs hatch in waves.
Keep norfolk island pine pest-free
Healthy plants resist pests best. Get the basics right:
Norfolk Island pine pests — FAQ
What is eating my norfolk island pine?
Norfolk Island pine grown indoors is most commonly attacked by mealybugs and spider mites. Mealybugs shelter deep in the branch whorls where they are hard to spot. Spider mites thrive in dry indoor air. Scale insects and aphids can also appear. Regular inspection of branch junctions and maintaining humidity is key.
How do I get rid of mealybugs on norfolk island pine?
White cottony masses tucked at branch junctions and along stems; needles yellow and drop; sticky honeydew collects on lower branches. Dislodge with a stream of water; apply diluted neem oil or insecticidal soap spray thoroughly into branch whorls; repeat weekly for 3–4 weeks.
How do I get rid of spider mites on norfolk island pine?
Needles turn pale, bronze, or dry-looking; fine webbing visible between needles; worst in centrally heated rooms in winter. Increase humidity with a pebble tray or humidifier; mist regularly; apply neem oil or miticide spray; rinse the entire tree in a shower monthly.
How do I get rid of scale insects on norfolk island pine?
Brown waxy lumps on stems and along branch whorls; honeydew leads to sooty black mold on needles. Scrub with a soft brush dipped in soapy water; treat with horticultural oil; repeat applications are needed as eggs hatch in waves.