Rex Begonia vs Calathea (Prayer Plant)
Choosing between the Rex Begonia and the Calathea (Prayer Plant)? Both are popular houseplants, but they differ in care effort, light needs, and pet safety. Here is a clear side-by-side comparison to help you decide.
📊Side by side
| Feature | Rex Begonia | Calathea (Prayer Plant) |
|---|---|---|
| Watering | Every 5–9 days | Every 4–7 days |
| Light | Medium, bright indirect | Medium, bright indirect |
| Difficulty | Moderate | Fussy |
| Humidity | High | High |
| Mature size | 25–45 cm (10–18 in) | 40–90 cm (16–35 in) |
| Growth rate | Moderate | Moderate |
| Pet safety | Toxic to pets | Pet-safe |
| Care effort | High | High |
🏆Which one should you choose?
The Rex Begonia is the easier plant: it is rated Moderate and wants water only every 9 days, while the Calathea (Prayer Plant) is rated Fussy.
If you have cats or dogs, the Calathea (Prayer Plant) is the safer choice — it is non-toxic, while the Rex Begonia is toxic to pets.
The Calathea (Prayer Plant) grows clearly larger (40–90 cm) than the Rex Begonia (25–45 cm) — choose by the space you have.
Their light needs are similar (Medium, bright indirect), so the same spot suits both.
Choose the Rex Begonia if…
- Compact — fits a desk or shelf
Choose the Calathea (Prayer Plant) if…
- Non-toxic to cats and dogs
❓Frequently asked questions
Which is easier to care for: Rex Begonia or Calathea (Prayer Plant)?
The Rex Begonia is the easier plant: it is rated Moderate and wants water only every 9 days, while the Calathea (Prayer Plant) is rated Fussy.
Is the Rex Begonia or the Calathea (Prayer Plant) better for homes with pets?
If you have cats or dogs, the Calathea (Prayer Plant) is the safer choice — it is non-toxic, while the Rex Begonia is toxic to pets.
Can I care for the Rex Begonia and the Calathea (Prayer Plant) the same way?
Mostly yes — both like Medium, bright indirect and watering roughly every 9 days, so they can share one routine.