Pest identification
What's eating my oxalis triangularis 'mijke'?
Spider mites
Signs: Pale silvery speckling on the purple triangular leaves; webbing on undersides; leaves lose color and curl.
Control: Increase humidity; spray leaf undersides with water; apply neem oil or insecticidal soap spray weekly until clear.
Fungus gnats
Signs: Adults fly around soil; larvae chew roots and organic matter causing wilting and yellowing.
Control: Let soil dry between waterings; apply Bacillus thuringiensis israelensis (BTi) drench; use yellow sticky traps near the pot.
Aphids
Signs: Soft clusters on new growth and flower stems; sticky honeydew and distorted foliage.
Control: Wash off under a gentle tap; spray with insecticidal soap; check weekly when plant is outdoors in summer.
Keep oxalis triangularis 'mijke' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats false shamrock — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common oxalis triangularis 'mijke' problems & fixes
- Oxalis Triangularis 'Mijke' watering schedule
- Oxalis Triangularis 'Mijke' light requirements
- Full oxalis triangularis 'mijke' care guide
Oxalis Triangularis 'Mijke' pests — FAQ
What is eating my oxalis triangularis 'mijke'?
Oxalis triangularis 'Mijke' grown as a houseplant is most frequently bothered by spider mites in dry indoor conditions and fungus gnats in overwatered soil. Mealybugs occasionally attack. If moved outdoors in summer, aphids and slugs can target the soft foliage and bulbs. Good drainage and regular inspection keep this easy plant trouble-free.
How do I get rid of spider mites on oxalis triangularis 'mijke'?
Pale silvery speckling on the purple triangular leaves; webbing on undersides; leaves lose color and curl. Increase humidity; spray leaf undersides with water; apply neem oil or insecticidal soap spray weekly until clear.
How do I get rid of fungus gnats on oxalis triangularis 'mijke'?
Adults fly around soil; larvae chew roots and organic matter causing wilting and yellowing. Let soil dry between waterings; apply Bacillus thuringiensis israelensis (BTi) drench; use yellow sticky traps near the pot.
How do I get rid of aphids on oxalis triangularis 'mijke'?
Soft clusters on new growth and flower stems; sticky honeydew and distorted foliage. Wash off under a gentle tap; spray with insecticidal soap; check weekly when plant is outdoors in summer.