Calathea crotalifera is a rhizomatous perennial from the Marantaceae family native to tropical forests of Central and South America. Known for its distinctive rattlesnake-shaped inflorescences and large banana-like leaves, it is easily propagated from seed in warm, humid conditions.
Before sowing
No pre-treatment needed — sow directly.
Sowing
Substrate
Organic loam with 30% coarse siliceous sand, well-draining, moisture-retentive soil mix
Depth
levemente_coberta
Temperature
24°C
Moisture
alta
Container
Small pots or seed trays with good drainage
What to expect
Step 1
Sow at levemente_coberta · 24°C
Day 28–56
Seedlings emerge
Tips
Keep soil consistently moist but never waterlogged. Seeds should be pressed lightly into substrate. Cover containers with clear plastic to retain moisture and humidity. Provide warm, bright indirect light. Germination can be slow but seeds are generally viable.
Sources: Monaco Nature Encyclopedia (Puccio), NCSU Extension, Planet Natural, Greg App, Cafe Planta, PubMed Central (Rozali & Rashid, 2015)
