Leaf Detail Portrait
Caladium 'Red Flash'
Red Flash Caladium
Quick Facts
Morphology
About
Red Flash is a large, dramatic Caladium cultivar with bold splashes of crimson-red radiating out from the central veins over a green blade, flecked with smaller pink and white spots throughout. It is one of the larger-leaved cultivars in the bicolor family and among the most visually striking, but like the rest of the family it is fully deciduous, dying back to its tuber each year.
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Before You Buy
Shared checklist for Caladium bicolor and its cultivated forms
- If buying a dormant tuber, check it is firm and plump, not soft, shrivelled or mouldy
- Confirm whether you are buying a live growing plant (in leaf) or a dormant out-of-season tuber
- Established leafy plants should show firm, unblemished foliage without scorch marks
Propagation Guide
Growing More Plants
Shared across every form of Caladium bicolor — see this form's own Morphology for variegation-specific propagation notes.
6-10 weeks from tuber to full leaf
Cultivar character is preserved through vegetative cuttings
Divide dormant tubers so each section retains at least one visible growth eye, then pot up as growth resumes in spring.
Care Guide
Growing Conditions
General care shared across all forms of Caladium bicolor — cultivated forms may need brighter light or higher humidity than the plain species; check this form's Quick Facts above.
Light, free-draining mix: 50% potting compost, 30% perlite, 20% coco coir.
Keep evenly moist throughout active growth; stop watering almost entirely once the foliage dies back for dormancy.
55-75% preferred during active growth for the largest leaves.
Balanced liquid fertiliser at half strength every 2-3 weeks during active growth; none during dormancy.
Repot the dormant tuber into fresh substrate each spring when new growth begins.
Common Problems
Tuber rot over winter
Substrate kept too wet during dormancy
Keep the dormant tuber nearly dry and store in a cool, frost-free spot until spring
No regrowth in spring
Tuber temperature too low, or tuber was damaged/rotted
Ensure the tuber is kept above roughly 18°C once you want it to resprout, and check it is still firm before replanting
Scorched or bleached leaves
Direct hot sun
Move to bright indirect light or light shade — most Caladium foliage scorches in direct summer sun