Caladium Care Guide

Caladiums are among the most colorful foliage plants you can grow. Their heart-shaped leaves come in breathtaking combinations of white, pink, red, green, and burgundy, making them a favorite for indoor plant collections, patios, shaded gardens, and tropical landscapes.

Whether you're planting dormant tubers in the spring or caring for a fully grown Caladium indoors, this complete beginner's guide will teach you everything you need to know to grow healthy, vibrant plants year after year.

What Is a Caladium?

Caladiums belong to the Araceae family and are native to the tropical rainforests of South America, particularly Brazil. In nature, they grow beneath the forest canopy where they receive filtered sunlight, warm temperatures, high humidity, and rich, well-draining soil.

Unlike many tropical houseplants, Caladiums grow from tubers, which store energy and allow the plant to naturally enter dormancy during cooler months.

Today, there are hundreds of Caladium cultivars available, offering an incredible range of leaf colors, patterns, and sizes.

Why Grow Caladiums?

✔ Spectacular colorful foliage

✔ Easy to grow from tubers

✔ Perfect for shade gardens

✔ Beautiful indoor houseplants

✔ Great for patio containers

✔ Hundreds of unique varieties

✔ Beginner friendly

✔ Excellent companion plants in tropical landscapes

Quick Care Overview

Light Requirements

Caladiums naturally grow beneath the rainforest canopy, making them ideal for filtered light conditions.

Best Lighting

• Bright, indirect light indoors

• Morning sun with afternoon shade

• Dappled shade outdoors

• Bright grow lights

Many newer varieties can tolerate more sunlight than older cultivars, but intense afternoon sun may scorch the leaves.

Too Much Sun

Excessive direct sunlight can cause:

• Brown leaf edges

• Faded colors

• Burned foliage

• Wilting

Too Little Light

Low light may result in:

• Slower growth

• Smaller leaves

• Less vibrant colors

Watering

Caladiums enjoy consistently moist soil while actively growing.

Water thoroughly when the top inch of soil begins to dry.

Signs Your Plant Needs Water

• Slight drooping

• Dry topsoil

• Lightweight pot

Signs of Overwatering

• Yellow leaves

• Mushy tubers

• Soft stems

• Root rot

Reduce watering significantly when the plant begins entering dormancy.

Best Soil

Caladiums thrive in rich, well-draining soil.

An ideal mix includes:

• High-quality potting soil

• Coco coir

• Perlite

• Compost

• Pine bark fines (optional)

The soil should retain moisture without remaining soggy.

Avoid compacted soils that stay wet for long periods.

Temperature

Ideal temperatures:

70–90°F (21–32°C)

Caladiums love warmth and dislike cold weather.

Protect plants from:

• Frost

• Cold drafts

• Temperatures below 60°F

• Sudden temperature swings

Cool temperatures often trigger dormancy.

Humidity

Caladiums thrive in humid environments.

Ideal humidity:

60–80%

Higher humidity helps produce:

• Larger leaves

• Brighter colors

• Healthier growth

• Fewer crispy leaf edges

Increase humidity with:

• Humidifiers

• Indoor greenhouses

• Pebble trays

• Grouping tropical plants together

Fertilizing

Feed every 4–6 weeks during active growth using a balanced liquid fertilizer diluted according to the manufacturer's directions.

Do not fertilize dormant tubers.

Resume feeding when new growth appears in spring.

Growing Caladiums from Tubers

Most Caladiums are grown from tubers.

Planting Steps

1. Wait until soil temperatures are consistently above 65°F (18°C).

2. Plant tubers with the growing points facing upward.

3. Cover with 1–2 inches of soil.

4. Water lightly until growth begins.

5. Keep warm and evenly moist.

New growth typically appears within several weeks, depending on soil temperature.

Understanding Dormancy

Dormancy is a completely natural part of the Caladium life cycle.

As temperatures cool and daylight decreases, many Caladiums begin to:

• Slow their growth

• Yellow naturally

• Lose leaves

• Die back above the soil

The tuber remains alive underground.

During Dormancy

• Stop fertilizing.

• Greatly reduce watering.

• Store tubers in a cool, dry place if desired.

• Resume watering when new growth appears.

Do not throw away dormant tubers—they are simply resting.

Repotting

Repot Caladiums every 1–2 years, usually in spring before active growth resumes.

Replace old soil with fresh, nutrient-rich potting mix.

Inspect tubers for firmness and remove any damaged or rotten sections.

Propagation

Caladiums are propagated by dividing tubers.

During dormancy:

1. Remove the tuber from the soil.

2. Cut it into sections using a clean knife.

3. Ensure each section has at least one healthy growing eye.

4. Allow cut surfaces to dry briefly before planting.

Each division can develop into a new plant.

Popular Caladium Varieties

Some of the most popular varieties include:

• White Christmas

• White Queen

• Carolyn Whorton

• Florida Sweetheart

• Red Flash

• Aaron

• Pink Beauty

• Miss Muffet

• Candidum

• Gingerland

• Heart and Soul

• Lemon Blush

• Fiesta

• Raspberry Moon

• Strawberry Star

New cultivars continue to introduce exciting color combinations every year.

Common Problems

Yellow Leaves

Often caused by:

• Natural dormancy

• Overwatering

• Cold temperatures

• Aging leaves

Brown Leaf Edges

Usually caused by:

• Low humidity

• Excessive sunlight

• Underwatering

Wilting

Possible causes include:

• Dry soil

• Root rot

• Heat stress

• Dormancy beginning

Small Leaves

Often caused by:

• Low light

• Poor nutrition

• Small tubers

• Cool temperatures

Tuber Rot

Most commonly caused by:

• Poor drainage

• Cold, wet soil

• Overwatering

Healthy tubers should be firm.

Soft or foul-smelling tubers should be discarded.

Common Pests

Caladiums occasionally attract:

• Spider mites

• Aphids

• Mealybugs

• Thrips

• Slugs and snails (outdoors)

Inspect foliage regularly, especially the undersides of leaves.

Growing Caladiums Outdoors

Caladiums make excellent landscape plants in warm climates.

They perform beautifully in:

• Shade gardens

• Woodland gardens

• Tropical landscapes

• Patio containers

• Mixed planters

• Borders

In USDA Hardiness Zones 9–11, tubers may survive outdoors year-round.

In colder climates, dig and store tubers before the first frost.

Are Caladiums Toxic?

Yes.

Like many members of the Araceae family, Caladiums contain calcium oxalate crystals.

Keep plants away from:

• Cats

• Dogs

• Small children

If chewed or swallowed, they may cause mouth irritation and digestive discomfort.

Beginner Tips for Success

✔ Plant only after the weather warms.

✔ Give bright indirect light or partial shade.

✔ Keep soil evenly moist during active growth.

✔ Use loose, well-draining soil.

✔ Increase humidity whenever possible.

✔ Don't panic when leaves die back in fall—dormancy is normal.

✔ Store tubers properly over winter in colder climates.

✔ Fertilize during active growth only.

✔ Protect plants from frost.

✔ Be patient in spring—Caladiums often emerge later than other garden plants.

Frequently Asked Questions

Are Caladiums good beginner plants?

Yes! Caladiums are easy to grow and are excellent for gardeners looking to add bold color with minimal maintenance.

Why are my Caladium leaves turning yellow?

Yellow leaves are often part of the plant's natural dormancy cycle, but they can also indicate overwatering or cold temperatures.

Can Caladiums grow indoors?

Absolutely. They make beautiful houseplants when provided with bright, indirect light, warmth, and adequate humidity.

Do Caladiums come back every year?

Yes. Because they grow from tubers, Caladiums return each growing season when properly overwintered or grown in warm climates.

How often should I water Caladiums?

Water whenever the top inch of soil begins to dry during active growth. Reduce watering significantly during dormancy.

Can Caladiums grow in full sun?

Some modern cultivars tolerate more sun than traditional varieties, but most perform best in bright shade or filtered sunlight.

Why Buy Caladiums from K & K Plant Nursery?

At K & K Plant Nursery, we grow vibrant, healthy Caladiums selected for exceptional color, strong growth, and reliable performance. Whether you're decorating your home, brightening a shaded patio, or creating a tropical garden, our carefully grown plants and premium tubers are ready to help you enjoy spectacular foliage all season long.

From timeless favorites to exciting new cultivars, we're proud to offer Caladiums that bring bold tropical beauty to every space.

Related Guides

• Alocasia Care Guide

• Colocasia Care Guide

• Aglaonema Care Guide

• Begonia Care Guide

• Philodendron Care Guide

• Tropical Plant Watering Guide

• Best Soil Mix for Aroids

• Indoor Plant Humidity Guide

• Growing Plants from Bulbs, Corms, Rhizomes & Tubers