Check these first
- Inspect the undersides of the leaves for bumps.
- Check the base of the stems for white cottony fluff.
- Touch the leaves to see if they feel sticky.
Likely causes
Scale Insects
Most likelyHow to tell: You see small, hard, brown bumps that can be scraped off with a fingernail. The leaves might also feel sticky.
What to do: Dab the insects with a cotton swab dipped in rubbing alcohol. Repeat this weekly until you no longer see any bumps.
Mealybugs
PossibleHow to tell: White, cottony patches appear in the crevices of the leaves or near the base of the plant.
What to do: Wipe the affected areas with a cloth soaked in insecticidal soap or rubbing alcohol. Keep the plant isolated from others until the infestation is gone.
Find out what's wrong with your crimson cattleya
The list above covers the usual causes. Pocket Botanist looks at a photo of your actual plant and tells you the likely cause, how serious it is, and what to try first. Identification and a health check are free.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
When to worry
A few bugs can be managed, but a heavy infestation that covers the entire plant is serious. Isolate the plant immediately to protect your other orchids.
Stopping it coming back
Check your plant regularly when watering and keep the foliage clean. Good airflow around the plant also helps deter pests.
Crimson Cattleya: pests? Check yours with a photo
Every plant is a little different. Take a photo of your crimson cattleya and Pocket Botanist tells you which cause is most likely, how serious it is, and what to try first. A few checks a day are free. Save the plant and you get care reminders timed for it.
Scan with your phone's camera to get the app
Or go to pocketbotanist.app/get on your phone
Get the app · Or check it from a photo now, free
Questions people ask
- Do I need to throw the plant away?
- No, scale is treatable. Just be consistent with your cleaning routine.
- Why are my leaves sticky?
- Sticky residue is often a sign of honeydew left behind by pests like scale or mealybugs.
Guides to these causes
More problems with Crimson Cattleya
- Why are my Crimson Cattleya roots rotting?
- Why is my Crimson Cattleya not blooming?
- Why are my Cattleya labiata leaves turning yellow?
- Why are my Cattleya labiata leaf tips turning brown?
- Why is my Cattleya labiata drooping?
- Why does my Cattleya labiata have spots on its leaves?
- Why is my Cattleya labiata growing leggy?
Back to the Crimson Cattleya guide
This article was generated with AI on from the plant’s care profile and is general information, not horticultural advice. Read about how we build these guides.

