Pest identification
What's eating my symphyotrichum novae-angliae 'andenken an alma pötschke'?
Aphids
Signs: Sticky honeydew and sooty mold on leaves; distorted shoot tips where colonies cluster.
Control: Knock off with water jets; introduce or encourage ladybirds and lacewings; use insecticidal soap if needed.
Aster lace bugs (Corythucha marmorata)
Signs: Stippled, bleached upper leaf surface; dark specks of frass visible on leaf undersides.
Control: Spray leaf undersides with neem oil or insecticidal soap in early summer when nymphs are present.
Thrips
Signs: Fine silver streaking on petals and leaves; distorted flower buds in hot, dry weather.
Control: Introduce predatory mites (Amblyseius cucumeris); remove heavily infested material; avoid excess nitrogen.
Rabbits
Signs: Stems and leaves nipped off cleanly at ground level, especially in spring.
Control: Protect with wire mesh cylinders around clumps; use rabbit-deterrent sprays on surrounding area.
Keep symphyotrichum novae-angliae 'andenken an alma pötschke' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats new england aster — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common symphyotrichum novae-angliae 'andenken an alma pötschke' problems & fixes
- Symphyotrichum novae-angliae 'Andenken an Alma Pötschke' watering schedule
- Symphyotrichum novae-angliae 'Andenken an Alma Pötschke' light requirements
- Full symphyotrichum novae-angliae 'andenken an alma pötschke' care guide
Symphyotrichum novae-angliae 'Andenken an Alma Pötschke' pests — FAQ
What is eating my symphyotrichum novae-angliae 'andenken an alma pötschke'?
New England aster 'Andenken an Alma Pötschke' is most seriously damaged by powdery mildew and aphids. Thrips and leafhoppers scar the foliage in dry summers. Rabbits readily graze young growth in spring. Lace bugs can mottle leaves. Good airflow and aphid control are the key defenses for this tall, late-season cultivar.
How do I get rid of aphids on symphyotrichum novae-angliae 'andenken an alma pötschke'?
Sticky honeydew and sooty mold on leaves; distorted shoot tips where colonies cluster. Knock off with water jets; introduce or encourage ladybirds and lacewings; use insecticidal soap if needed.
How do I get rid of aster lace bugs (corythucha marmorata) on symphyotrichum novae-angliae 'andenken an alma pötschke'?
Stippled, bleached upper leaf surface; dark specks of frass visible on leaf undersides. Spray leaf undersides with neem oil or insecticidal soap in early summer when nymphs are present.
How do I get rid of thrips on symphyotrichum novae-angliae 'andenken an alma pötschke'?
Fine silver streaking on petals and leaves; distorted flower buds in hot, dry weather. Introduce predatory mites (Amblyseius cucumeris); remove heavily infested material; avoid excess nitrogen.
How do I get rid of rabbits on symphyotrichum novae-angliae 'andenken an alma pötschke'?
Stems and leaves nipped off cleanly at ground level, especially in spring. Protect with wire mesh cylinders around clumps; use rabbit-deterrent sprays on surrounding area.