1. Too Little Water. When calathea leaves start to brown, the first thing you should do is assess your watering schedule. “Calatheas like consistent moisture levels,” Hancock says. “And when ...

Q: My calathea is unhappy … browning leaf tips and poor growth overall. How can I help it improve? A: Welcome to the club. I’ve been in the same boat, along with many houseplant enthusiasts.

How to choose a healthy Calathea orbifolia. When browsing your local nursery, Brisbane horticulturalist James Mudge says the best way to check plant health is by looking for new growth.

This Orbifolia Calathea is also sensitive to dissolved fluoride in tap water or build-up from chemical fertilisers. PHOTO: LIM KIM HOCK. Wilson Wong. Updated. Jul 05, 2023, 06:23 PM.