How to treat mites on an orchid?

How to treat mites on an orchid? - briefly

Apply a miticide such as neem oil or a sulfur‑based spray, covering all foliage and stems while keeping the orchid isolated and humidity low. Repeat the application weekly until the pests are gone, then monitor new growth regularly to prevent reinfestation.

How to treat mites on an orchid? - in detail

Mite infestations on orchids develop rapidly when humidity is high and ventilation is poor. Early detection relies on inspecting leaves, especially the undersides, for tiny moving specks or fine webbing. Damage appears as stippled or yellowed tissue.

Effective control combines cultural, mechanical, and chemical measures.

  • Increase airflow around the plant; position fans to create gentle movement.
  • Reduce humidity temporarily by adjusting watering frequency and improving drainage.
  • Remove heavily infested leaves with clean pruning shears; sterilize tools with isopropyl alcohol after each cut.
  • Wash foliage with a mild solution of water and a few drops of neem oil; apply until runoff and repeat every five to seven days.
  • Introduce predatory mites such as »Phytoseiulus persimilis«; release according to label instructions and monitor population growth.
  • If chemical intervention is required, select acaricides labeled for epiphytic orchids; follow dosage precisely, avoid contact with roots, and observe a pre‑harvest interval.

Regular monitoring after treatment confirms success; absence of moving mites for two weeks indicates control. Re‑establish preventive practices—consistent ventilation, balanced watering, and periodic foliar sprays—to minimize recurrence.