Pest identification
What's eating my cotinus obovatus?
Aphids
Signs: Soft colonies on new growth; distorted leaves, honeydew residue, and sooty mould.
Control: Wash off with a strong water jet; insecticidal soap for persistent infestations.
Deer
Signs: Young shoots and foliage browsed; antler rubbing scars low bark in autumn.
Control: Use tree guards or wire-mesh cages on young specimens; repellent sprays on surrounding growth.
Caterpillars
Signs: Occasional hole-feeding on foliage; rarely severe enough to affect plant health.
Control: Hand-pick; Bt spray if defoliation threatens the canopy.
Keep cotinus obovatus pest-free
Healthy plants resist pests best. Get the basics right:
Cotinus obovatus pests — FAQ
What is eating my cotinus obovatus?
American smoke tree is highly pest-resistant with few serious insect threats in garden settings. Aphids occasionally colonise new growth, and vertical wilt from Verticillium is the main disease concern. Deer may graze young trees. The species is generally trouble-free once established in well-drained soil.
How do I get rid of aphids on cotinus obovatus?
Soft colonies on new growth; distorted leaves, honeydew residue, and sooty mould. Wash off with a strong water jet; insecticidal soap for persistent infestations.
How do I get rid of deer on cotinus obovatus?
Young shoots and foliage browsed; antler rubbing scars low bark in autumn. Use tree guards or wire-mesh cages on young specimens; repellent sprays on surrounding growth.
How do I get rid of caterpillars on cotinus obovatus?
Occasional hole-feeding on foliage; rarely severe enough to affect plant health. Hand-pick; Bt spray if defoliation threatens the canopy.