Pest identification
What's eating my pumila dwarf pampas grass?
Aphids
Signs: Soft-bodied colonies on stems causing honeydew deposits and slight yellowing of lower foliage
Control: Knock off with a water jet; apply insecticidal soap or neem oil for persistent infestations
Scale insects
Signs: Hard brown bumps on stems; yellowing blades and slow growth as sap is removed
Control: Remove by hand-scraping; apply horticultural oil to coat and suffocate scale crawlers
Rust (Puccinia spp.)
Signs: Orange powdery pustules on leaf blades in humid, wet conditions; early die-back of affected foliage
Control: Cut out and dispose of infected blades; ensure good airflow; avoid overhead watering
Keep pumila dwarf pampas grass pest-free
Healthy plants resist pests best. Get the basics right:
Pumila Dwarf Pampas Grass pests — FAQ
What is eating my pumila dwarf pampas grass?
Pumila Dwarf Pampas Grass shares the excellent pest resistance of the species. Aphids and scale insects are the most realistic threats, occasionally colonising the compact stems. Rust may appear in wet summers. The dense, sharp blades deter grazing animals. Annual hard cutting-back removes overwintering pests and reduces disease risk significantly.
How do I get rid of aphids on pumila dwarf pampas grass?
Soft-bodied colonies on stems causing honeydew deposits and slight yellowing of lower foliage Knock off with a water jet; apply insecticidal soap or neem oil for persistent infestations
How do I get rid of scale insects on pumila dwarf pampas grass?
Hard brown bumps on stems; yellowing blades and slow growth as sap is removed Remove by hand-scraping; apply horticultural oil to coat and suffocate scale crawlers
How do I get rid of rust (puccinia spp.) on pumila dwarf pampas grass?
Orange powdery pustules on leaf blades in humid, wet conditions; early die-back of affected foliage Cut out and dispose of infected blades; ensure good airflow; avoid overhead watering