Pest identification
What's eating my salvia nemorosa 'ostfriesland'?
Aphids
Signs: Soft colonies on new shoots and flower spikes; honeydew causes sticky leaves and sooty mold.
Control: Knock off with water; apply insecticidal soap or neem oil; attract hoverflies with nearby umbellifers.
Spittlebugs (froghoppers)
Signs: Frothy white masses on stems in early summer; minor cosmetic issue only.
Control: Wash off by hand or hose; no chemical treatment normally required.
Slugs & snails
Signs: Holes in young leaves at ground level during cool, wet spring weather.
Control: Iron-phosphate pellets; clear debris; use gritty mulch as a physical barrier.
Keep salvia nemorosa 'ostfriesland' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats woodland sage — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common salvia nemorosa 'ostfriesland' problems & fixes
- Salvia nemorosa 'Ostfriesland' watering schedule
- Salvia nemorosa 'Ostfriesland' light requirements
- Full salvia nemorosa 'ostfriesland' care guide
Salvia nemorosa 'Ostfriesland' pests — FAQ
What is eating my salvia nemorosa 'ostfriesland'?
Salvia nemorosa 'Ostfriesland' (East Friesland salvia) shares the pest profile of the nemorosa group: strongly scented foliage deters most animals, but aphids colonize flower spikes, spittlebugs leave foamy deposits on stems, and slugs can damage emerging spring foliage. It is one of the most pest-resistant border perennials available.
How do I get rid of aphids on salvia nemorosa 'ostfriesland'?
Soft colonies on new shoots and flower spikes; honeydew causes sticky leaves and sooty mold. Knock off with water; apply insecticidal soap or neem oil; attract hoverflies with nearby umbellifers.
How do I get rid of spittlebugs (froghoppers) on salvia nemorosa 'ostfriesland'?
Frothy white masses on stems in early summer; minor cosmetic issue only. Wash off by hand or hose; no chemical treatment normally required.
How do I get rid of slugs & snails on salvia nemorosa 'ostfriesland'?
Holes in young leaves at ground level during cool, wet spring weather. Iron-phosphate pellets; clear debris; use gritty mulch as a physical barrier.