Troubleshooting
Dwarf Creeping Juniper problems — and how to fix them
Dwarf Creeping Juniper (Juniperus procumbens 'Nana') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Phomopsis tip blight
Reddish-brown dieback of new shoot tips in spring, caused by Phomopsis fungi; worst in cool, wet weather. Prune out infected tips with sterilised secateurs and apply preventive copper fungicide in early spring.
Spider mites
Hot, dry conditions favour spider mite colonies in the dense mat; foliage becomes dull, stippled, and bronze, with fine webbing visible. Treat with horticultural soap or neem oil, applying from the outside to penetrate the mat's interior.
Stem borer damage
Bark beetles and stem-boring insects can tunnel into weakened stems, causing patchy dieback within the mat. Maintain plant vigour through good drainage and appropriate fertilisation; remove and destroy heavily infested sections.
Prevent dwarf creeping juniper problems before they start
Most dwarf creeping juniper issues are care-mismatch, not bad luck. Dial in the basics:
Dwarf Creeping Juniper problems — FAQ
Why is my dwarf creeping juniper phomopsis tip blight?
Reddish-brown dieback of new shoot tips in spring, caused by Phomopsis fungi; worst in cool, wet weather. Prune out infected tips with sterilised secateurs and apply preventive copper fungicide in early spring.
Why is my dwarf creeping juniper spider mites?
Hot, dry conditions favour spider mite colonies in the dense mat; foliage becomes dull, stippled, and bronze, with fine webbing visible. Treat with horticultural soap or neem oil, applying from the outside to penetrate the mat's interior.
Why is my dwarf creeping juniper stem borer damage?
Bark beetles and stem-boring insects can tunnel into weakened stems, causing patchy dieback within the mat. Maintain plant vigour through good drainage and appropriate fertilisation; remove and destroy heavily infested sections.