Pest identification
What's eating my phoenicean juniper?
Juniper scale (Carulaspis juniperi)
Signs: Grey-white waxy crusts on needles and twigs; foliage yellows and dies back from affected areas
Control: Apply dormant horticultural oil before bud break; remove and destroy heavily scaled branches; encourage natural predators such as parasitic wasps
Two-spotted spider mite (Tetranychus urticae)
Signs: Fine yellow stippling on needles, bronze discolouration, fine webbing on shoot tips during hot dry spells
Control: Increase humidity around plants with water misting; apply neem oil or miticide in severe cases; avoid over-fertilizing with nitrogen which promotes soft growth mites favour
Juniper aphid (Cinara juniperi)
Signs: Honeydew deposits leading to sooty mold; soft new growth distorted; visible colonies of dark aphids
Control: Spray with insecticidal soap solution; encourage predatory insects; remove affected shoot tips if infestations are localised
Keep phoenicean juniper pest-free
Healthy plants resist pests best. Get the basics right:
Phoenicean Juniper pests — FAQ
What is eating my phoenicean juniper?
Phoenicean Juniper (Juniperus phoenicea) faces the same core threats as other junipers: juniper scale is the most damaging pest, causing grey encrustations and branch dieback. Spider mites thrive in hot dry summers typical of its Mediterranean range. Treat with horticultural oil at dormancy and monitor for mite flare-ups in drought periods.
How do I get rid of juniper scale (carulaspis juniperi) on phoenicean juniper?
Grey-white waxy crusts on needles and twigs; foliage yellows and dies back from affected areas Apply dormant horticultural oil before bud break; remove and destroy heavily scaled branches; encourage natural predators such as parasitic wasps
How do I get rid of two-spotted spider mite (tetranychus urticae) on phoenicean juniper?
Fine yellow stippling on needles, bronze discolouration, fine webbing on shoot tips during hot dry spells Increase humidity around plants with water misting; apply neem oil or miticide in severe cases; avoid over-fertilizing with nitrogen which promotes soft growth mites favour
How do I get rid of juniper aphid (cinara juniperi) on phoenicean juniper?
Honeydew deposits leading to sooty mold; soft new growth distorted; visible colonies of dark aphids Spray with insecticidal soap solution; encourage predatory insects; remove affected shoot tips if infestations are localised