Caladium 'Red Flash'

Caladium 'Red Flash'

Caladium 'Red Flash' is a large fancy-leaf Caladium cultivar with broad heart-shaped leaves, red central colouring, green margins and scattered pink to pale speckles. The leaves rise on sturdy petioles from an underground tuber, creating a full seasonal clump in warm conditions.

The red centre gives each leaf a strong focal area, while the green edge and speckling add definition across the blade. During active growth, Caladium 'Red Flash' develops volume quickly when the tuber is warm, the substrate drains well and the plant receives bright filtered light.

Caladium 'Red Flash' red-centred leaf pattern

• Large heart-shaped leaves with red central colouring
• Green margins with scattered pale to pink speckles
• Fancy-leaf Caladium habit with upright petioles
• Strong warm-season growth from a storage tuber

Caladium 'Red Flash' tuber growth and leaf size

Caladium 'Red Flash' is an established ornamental Caladium cultivar with large red-centred leaves. Its foliage develops directly from an underground tuber, with each petiole emerging directly from the crown above the tuber.

Cultivated Caladiums are tuberous aroids in Araceae. Caladium 'Red Flash' needs warm roots, bright filtered light and even moisture while large leaves are developing, followed by a drier warm rest after seasonal decline.

Caladium 'Red Flash' large-leaf care

• Light exposure: Give Caladium 'Red Flash' bright filtered light or gentle sun after acclimation. Large leaves need sufficient light for sturdy petioles.
• Watering volume: Water thoroughly once the upper layer starts to dry, then let excess water drain fully.
• Fertile mix: Use a fertile, open mix with bark, fibre, and mineral drainage so large leaves develop over a well-aerated tuber zone.
• Warm temperature window: Keep warm, ideally around 20–30 °C while the plant is actively growing.
• Foliage air moisture: Keep air moisture steady in the moderate-to-high range and protect the broad leaves from hot, dry airflow.
• Growth-phase feeding: Feed lightly but regularly during the growth phase, when large leaves draw more from the tuber and roots.
• Pot stability: Use a stable pot with drainage holes so the larger leaf canopy stays balanced and the root zone stays aerated.
• Rest-season tuber care: When the plant enters seasonal decline, reduce watering and keep the resting tuber warm and dry.
• Outdoor season: In warm weather, active plants can spend time in sheltered outdoor shade, then return indoors before cool nights arrive.

Caladium 'Red Flash' large-leaf warning cues

• Large leaves drooping: Check for cold substrate, saturated roots, underwatering during heat or recent transport stress.
• Brown sun marks: Move the plant into filtered light and let new leaves develop under gentler conditions.
• Soft petioles: Improve filtered light and check that the substrate is airy around the tuber.
• Seasonal yellowing: Several older leaves yellowing together can indicate dormancy when the tuber remains firm.

Caladium 'Red Flash' pet and child safety

Caladium 'Red Flash' contains calcium oxalate crystals in the leaves, petioles, and tuber. Set the pot out of chewing reach of pets and children, as ingestion can cause mouth pain, swelling, drooling, vomiting, or difficulty swallowing.

Caladium 'Red Flash' genus background

The genus name Caladium is commonly traced to Malay keladi. Caladium 'Red Flash' is a red-centred ornamental cultivar within the wider foliage caladium group.

Large red-centred leaves and upright petioles give Caladium 'Red Flash' a full warm-season crown.