Caladium
Caladium Bicolor
Caladium Bicolor, commonly known as Angel Wings or Heart of Jesus, is admired for its stunning foliage and vibrant colors. Native to tropical regions, this plant adds a touch of elegance to any indoor or outdoor space, making it a popular choice among plant enthusiasts.
Everything it needs
9 essentials at a glance
Watering
Caladium Bicolor prefers consistently moist soil but should not be waterlogged.
Water when the top inch of soil feels dry, typically every 5-7 days during the growing season. In winter, reduce watering to once every 2-3 weeks. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and browning leaf edges.
Light
Caladium Bicolor thrives in partial shade to filtered sunlight.
Ideal placement is in a location that receives 4-6 hours of indirect light daily. Direct sunlight can scorch the leaves, while too little light may cause the plant to become leggy and lose its vibrant colors.
Soil
The ideal soil for Caladium Bicolor is a well-draining potting mix with a pH range of 5.5 to 6.5.
A mix of peat moss, perlite, and compost works well to ensure proper drainage and aeration. Avoid heavy clay soils that retain too much moisture.
Humidity
Caladium Bicolor prefers high humidity levels of 50-70%.
To increase humidity, consider using a pebble tray with water or a humidifier. Signs of humidity stress include browning leaf tips and curling leaves.
Temperature
The ideal temperature range for Caladium Bicolor is 65-85°F (18-29°C).
It is not frost-tolerant and should be kept in USDA hardiness zones 9-11. Protect the plant from temperatures below 60°F (15°C) as it can cause stress and damage.
Fertilizing
Use a balanced liquid fertilizer with an NPK ratio of 10-10-10 or 20-20-20 every 4-6 weeks during the growing season.
In fall and winter, reduce fertilization to once every 8 weeks. Signs of nutrient deficiency include pale leaves, stunted growth, and poor coloration.
Pruning
Prune Caladium Bicolor in early spring before new growth begins.
Use clean, sharp scissors to remove any dead or damaged leaves. Deadheading is not necessary, but removing spent leaves can enhance the plant's appearance.
Repotting
Repot Caladium Bicolor every 1-2 years or when it becomes root-bound.
Signs it needs repotting include roots growing out of the drainage holes and stunted growth. Choose a pot 1-2 inches larger in diameter than the current one, and refresh the soil during repotting.
Propagation
Caladium Bicolor can be propagated through tuber division or offsets.
The best time to propagate is in spring. Carefully dig up the tubers, ensuring each division has at least one eye. Allow the cut surfaces to callous for a day before planting them in moist soil. Water lightly until new growth appears.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or insufficient light can lead to yellowing leaves.
How to fix it
Check the soil moisture and adjust watering frequency. Ensure the plant receives adequate indirect light.
Browning leaf tips
Why it happens
Low humidity levels can cause leaf tips to brown.
How to fix it
Increase humidity through misting, using a pebble tray, or placing a humidifier nearby.
Wilting leaves
Why it happens
Under-watering or extreme heat can cause wilting.
How to fix it
Water the plant thoroughly and ensure it is not exposed to excessive heat or direct sunlight.
Root rot
Why it happens
Over-watering or poorly draining soil can lead to root rot.
How to fix it
Reduce watering frequency and ensure the pot has adequate drainage. Remove affected roots and repot in fresh soil.
Leggy growth
Why it happens
Insufficient light can result in leggy growth.
How to fix it
Move the plant to a brighter location with filtered light to encourage bushier growth.
Care through the year
Spring
In spring, resume regular watering and fertilizing as the plant starts to grow. Check for any signs of pests and prune dead leaves.
Summer
During summer, ensure the plant receives adequate moisture and humidity. Monitor for pests and provide shade during the hottest parts of the day.
Fall
In fall, reduce watering as the plant begins to enter dormancy. Stop fertilizing and prepare for cooler temperatures.
Winter
In winter, water sparingly and keep the plant in a warm location. If temperatures drop below 60°F (15°C), consider bringing it indoors.
Toxicity & Safety
Caladium Bicolor is toxic to pets, including cats and dogs, as well as to children. All parts of the plant contain calcium oxalate crystals, which can cause irritation, swelling, and gastrointestinal distress if ingested.
Good to know
How often should I water my Caladium Bicolor?
Water your Caladium Bicolor when the top inch of soil feels dry, typically every 5-7 days during the growing season. Reduce watering in winter.
Why are my Caladium leaves turning yellow?
Yellow leaves can indicate over-watering or insufficient light. Check the soil moisture and ensure the plant receives enough indirect light.
What humidity level is best for Caladium Bicolor?
Caladium Bicolor thrives in humidity levels of 50-70%. Increasing humidity can help prevent browning leaf tips and curling leaves.
When should I repot my Caladium Bicolor?
Repot your Caladium Bicolor every 1-2 years or when you notice roots growing out of the drainage holes. Choose a pot that is 1-2 inches larger.
Can I propagate Caladium Bicolor from cuttings?
Caladium Bicolor is best propagated through tuber division or offsets rather than cuttings. Spring is the ideal time for propagation.
What should I do if my Caladium is wilting?
Wilting can be a sign of under-watering or extreme heat. Water the plant thoroughly and ensure it is not exposed to direct sunlight.
Is Caladium Bicolor toxic to pets?
Yes, Caladium Bicolor is toxic to pets and children. All parts of the plant contain calcium oxalate crystals, which can cause irritation if ingested.
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