How should a houseplant rose be treated for spider mite? - briefly
Apply a thorough spray of insecticidal soap or neem oil, covering all foliage and repeating every 5–7 days until mites are gone, and keep the plant isolated from uninfested specimens. Maintain low humidity and clean leaf debris to prevent reinfestation.
How should a houseplant rose be treated for spider mite? - in detail
Spider mites on indoor roses appear as tiny specks on leaf undersides, often leaving a stippled, yellowish pattern. Early detection prevents rapid colony expansion.
- Isolate the affected plant from other foliage to limit spread.
- Rinse leaves with a strong stream of lukewarm water, directing flow to the underside. Repeat every 2‑3 days for two weeks.
- Apply a 1‑2 % solution of insecticidal soap, ensuring thorough coverage of all surfaces. Reapply after 7‑10 days, then weekly until no mites are observed.
- For persistent infestations, treat with a 0.5‑1 % neem oil mixture or horticultural oil. Apply in the early morning or late evening to avoid leaf scorch; repeat every 5‑7 days.
- If botanical oils fail, consider a miticide containing abamectin or spiromesifen, following label rates and safety precautions. Use only as a last resort because resistance can develop.
- Maintain humidity above 50 % by misting or using a humidifier; spider mites thrive in dry conditions.
- Keep the growing medium evenly moist but not waterlogged; stress‑induced wilting makes plants more vulnerable.
- Prune heavily damaged stems and dispose of them away from the growing area.
- After treatment, monitor weekly for at least a month. Use a hand lens to inspect leaf undersides; absence of moving mites confirms control.
Consistent sanitation, proper airflow, and regular inspection are essential to keep indoor roses mite‑free.