Growli

Pest identification

What's eating my rose of sharon 'blue bird'?

Japanese beetle

Signs: Skeletonised leaves with only veins remaining; petals chewed and ragged

Control: Hand-pick into soapy water in the morning; use row covers early season; apply neem oil as a deterrent; avoid pheromone traps near the plant

Aphids

Signs: Distorted, sticky new growth; colonies visible on shoot tips; honeydew attracts sooty mould

Control: Knock off with a strong water jet; introduce ladybirds/lacewings; apply insecticidal soap or neem oil spray

Whitefly

Signs: Tiny white insects cloud up when foliage is disturbed; yellowing leaves and sticky honeydew

Control: Yellow sticky traps; insecticidal soap or pyrethrin spray in the evening; encourage natural predators

Deer

Signs: Twigs and flower buds browsed, especially in autumn and winter; ragged stem ends

Control: Deer-repellent sprays; physical fencing or tree guards on young plants; plant in a more exposed or frequently trafficked area

Keep rose of sharon 'blue bird' pest-free

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Rose of Sharon 'Blue Bird' pests — FAQ

What is eating my rose of sharon 'blue bird'?

Rose of Sharon 'Blue Bird' is targeted by Japanese beetles, aphids, and whitefly. Japanese beetles are the most destructive, skeletonising foliage and chewing flower petals in summer. Deer and rabbits browse young shoots. Vigilance from June onward and hand-picking beetles early prevents the worst damage to this shrub.

How do I get rid of japanese beetle on rose of sharon 'blue bird'?

Skeletonised leaves with only veins remaining; petals chewed and ragged Hand-pick into soapy water in the morning; use row covers early season; apply neem oil as a deterrent; avoid pheromone traps near the plant

How do I get rid of aphids on rose of sharon 'blue bird'?

Distorted, sticky new growth; colonies visible on shoot tips; honeydew attracts sooty mould Knock off with a strong water jet; introduce ladybirds/lacewings; apply insecticidal soap or neem oil spray

How do I get rid of whitefly on rose of sharon 'blue bird'?

Tiny white insects cloud up when foliage is disturbed; yellowing leaves and sticky honeydew Yellow sticky traps; insecticidal soap or pyrethrin spray in the evening; encourage natural predators

How do I get rid of deer on rose of sharon 'blue bird'?

Twigs and flower buds browsed, especially in autumn and winter; ragged stem ends Deer-repellent sprays; physical fencing or tree guards on young plants; plant in a more exposed or frequently trafficked area