Pest identification
What's eating my gold mound spirea?
Spirea aphid (Aphis spiraecola)
Signs: Dense yellow-green colonies curl and pucker the golden new leaves in spring; heavily affected shoot tips are distorted and stunted, reducing the ornamental appeal.
Control: Dislodge with a firm water jet every few days. Follow with insecticidal soap or neem oil on shoot tips. Natural predator pressure (ladybugs) usually brings colonies down by early summer without chemical intervention.
Japanese beetle
Signs: Adults skeletonize the bright summer foliage from mid-July onward, leaving a skeleton of leaf veins; Gold Mound's sunny exposure makes it especially susceptible.
Control: Handpick into soapy water in the early morning. Apply neem oil to foliage at dusk to deter feeding. Avoid pheromone traps — they increase local beetle populations.
Spider mites
Signs: Pale stippling and faint webbing on leaf undersides during hot dry stretches; the golden foliage masks early damage, so check undersides regularly in summer.
Control: Spray both leaf surfaces with neem oil or insecticidal soap, especially undersides. Improve soil moisture during dry spells — stressed plants are far more vulnerable. Repeat weekly for 3 applications.
Keep gold mound spirea pest-free
Healthy plants resist pests best. Get the basics right:
Gold Mound Spirea pests — FAQ
What is eating my gold mound spirea?
Gold Mound Spirea's vivid golden foliage is particularly attractive to spirea aphids in spring and Japanese beetles in summer. The soft, bright new growth is a strong aphid magnet. Spider mites can also flare in dry heat. Manage aphids with water jets and insecticidal soap; handpick beetles in the morning before they become active.
How do I get rid of spirea aphid (aphis spiraecola) on gold mound spirea?
Dense yellow-green colonies curl and pucker the golden new leaves in spring; heavily affected shoot tips are distorted and stunted, reducing the ornamental appeal. Dislodge with a firm water jet every few days. Follow with insecticidal soap or neem oil on shoot tips. Natural predator pressure (ladybugs) usually brings colonies down by early summer without chemical intervention.
How do I get rid of japanese beetle on gold mound spirea?
Adults skeletonize the bright summer foliage from mid-July onward, leaving a skeleton of leaf veins; Gold Mound's sunny exposure makes it especially susceptible. Handpick into soapy water in the early morning. Apply neem oil to foliage at dusk to deter feeding. Avoid pheromone traps — they increase local beetle populations.
How do I get rid of spider mites on gold mound spirea?
Pale stippling and faint webbing on leaf undersides during hot dry stretches; the golden foliage masks early damage, so check undersides regularly in summer. Spray both leaf surfaces with neem oil or insecticidal soap, especially undersides. Improve soil moisture during dry spells — stressed plants are far more vulnerable. Repeat weekly for 3 applications.