Caladium Ultimate Growth and Care Guide

Discover the Best Guide for Growing Caladiums. Want to add stunning foliage to your garden or home? 

You can purchase Caladium plants online today!

Introduction to Caladium (Elephant Ear)

Caladium, occasionally referred to as Elephant Ear, is a beloved foliage plant celebrated for its vibrant, heart-shaped leaves in stunning shades of pink, red, white, and green. These upright plants bring elegance and beauty to shaded garden areas and indoor spaces alike, making them a favorite among gardeners and decorators. Native to South America, specifically the Amazon Basin, Caladiums belong to the Araceae family and are primarily grown for their striking ornamental foliage. They are incorrectly referred to as Elephant Ear from time to time, they are distinct from other plants with similarly shaped leaves, such as Colocasia (Elephant Ear) which is a larger plant that often is perennial.

Thriving in warm, humid environments, Caladiums are particularly popular in southern gardens, where their charm enhances landscapes and containers. Available in a range of forms, including strap-leaf, fancy-leaf, and dwarf varieties, these versatile plants cater to diverse gardening needs and design preferences. Their adaptability to various settings and vibrant presence make them a go-to choice for those seeking lush, colorful foliage.

I first planted Caladium bulbs in a shady corner of my garden, and their bold, colorful leaves transformed the space into a lush, tropical retreat. Every season, Caladiums are one of my go-to plants for adding dramatic foliage to pots and plant beds.

Characteristics of Caladium

Caladiums are prized for their dramatic foliage, which comes in a wide array of colors and patterns. From the delicate pink veins of Pink Symphony to the bold red hues of Red Flash, there’s a Caladium to suit every garden style. In addition to their aesthetic appeal, Caladiums are easy to grow and care for, making them a favorite among gardeners of all experience levels.

Size and Growth Habit

Caladiums generally grow between 12 and 30 inches tall, depending on the variety and growing conditions. Their growth habit is characterized by large, heart- or arrow-shaped leaves that emerge directly from underground tubers. The plants form a lush, compact mound, making them ideal for garden borders, shaded beds, and containers. Dwarf varieties stay closer to the ground, while larger types can achieve more height, adding vertical interest to garden designs. Caladiums spread modestly, but their foliage creates a dense canopy that adds texture and visual appeal to any space.

Leaves and Flowers

Caladiums are best known for their striking, colorful foliage that serves as the centerpiece of the plant. The leaves are often multicolored, displaying intricate patterns in vibrant hues of red, pink, white, and green. Fancy-leaf varieties have broad, rounded leaves and a cascading habit, while strap-leaf types are narrower and more upright, making them suitable for tighter spaces or vertical accents. The veining and margins of the leaves often contrast dramatically, creating a painterly effect that adds depth to shaded areas.

While Caladiums do produce flowers, they are small and inconspicuous, overshadowed by the beauty of their foliage. These flowers consist of a spathe and spadix structure, typical of plants in the Araceae family, but are rarely noticed or prioritized in garden displays. For most gardeners, the foliage is the main attraction, and many even remove the flowers to direct more energy toward leaf production.

Are Caladiums Annual or Perennial?

Caladiums are tender perennials in warm climates, thriving year-round in USDA Hardiness Zones 9–11. In cooler zones, they are often grown as annuals since they cannot survive frost. However, their tubers can be dug up and stored indoors over winter, making them a perennial option with a bit of extra care. Proper storage involves keeping the tubers in a cool, dry place during dormancy and replanting them in spring after the threat of frost has passed. This cycle allows gardeners in colder regions to enjoy the vibrant beauty of Caladiums season after season.

Best Varieties of Caladium TESTED

These Caladium varieties are celebrated for their unique colors and patterns:

Best Variety #1: White Caladiums

White is essential in garden designs, especially when dark backgrounds diminish the vibrancy of colorful plants. Varieties like Candidum, Candidum Jr., Candidum Sr., White Christmas, and White Wing are ideal because they are widely available and predominantly white. These varieties serve as the perfect neutral canvas, letting vibrant shades and brilliant colors take center stage. With their presence, your garden’s most dazzling plants can truly shine.

Best Variety #2: Speckled Caladium including Gingerland and Miss Muffet 

Add a touch of drama to your garden with the captivating speckled Miss Muffet and Gingerland Caladiums. These stunning thriller varieties bring tiny dapples of color to your background.  Strategically incorporating the same vibrant hues from these Caladiums into your fillers or spillers, takes your garden from good to utterly spectacular. Note that these Caladiums can also take on the role of thrillers, but matching their tones in other plants have the same result … The dynamic interplay of colors creates a harmonious yet eye-catching display, ensuring your garden is a feast for the eyes.

Note that while there are other speckled Caladiums, they are not as commonly grown/found at Garden Centers, and are not tried and true like the Ginglerland and Miss Muffet varieties that have been around for forever.

Best Variety #3: Primarily Pink Caladiums including Carolyn Whorton, Sweetheart, Celebration and Pink Gem

Pink is undoubtedly the reigning queen of garden colors, captivating the hearts of gardeners everywhere. Its versatility and cheerful charm make it the go-to choice for creating stunning, eye-catching displays. The aforementioned pink Caladiums are some of the most commonly grown and easily found Caladiums at local Garden Centers. Again, they are tried and true.

These pink Caladiums bring a delightful pop of color that effortlessly enhances garden compositions. Whether you're aiming for a romantic, playful, or sophisticated look, pink Caladiums are the ultimate choice to make your garden bloom with beauty and brilliance. Go Pink!

Best Variety #4: Heart to Heart Caladiums by Proven Winners 

Way to go Proven Winners. So many new, stunning varieties too numerous to list. The biggest issue with the Heart to Heart series of caladiums and why they are not rated more highly is that they are not widely grown. And, while there are some trial data showing ratings greater than 4.8, particularly for some of the stunners including Bold N Beautiful, Hot 2 Trot, and Splash of Wine, there just isn’t enough demand to give this vibrantly colored new series a variety rating greater than #4 … Yet. 

How to Grow & Care for Caladiums

Caladiums are prized for their vibrant, heart-shaped foliage and adaptability to a variety of settings, from shaded garden beds to indoor spaces. With the right care, these tropical plants can thrive and add a touch of elegance to any environment.

Planting Caladiums

Plant Caladiums in late Spring or early Summer, once the outside night temperature has warmed to at least 55°F. Note that below 50°F, Caladiums can suffer cold damage. Choose a location with partial to full shade, as intense afternoon sunlight can scorch a Caladium's delicate leaves. Note that sun tolerant Caladiums can be planted in full sun, part sun or full shade. When planting, ensure the pointed side faces upward and place them 1–2 inches deep in rich, well-draining soil. Space the tubers or plants 8–12 inches apart to allow for proper growth and airflow. 

Sunlight Requirements

Caladiums thrive in partial to full shade, making them ideal for shaded gardens, patios, and indoor spaces. They can tolerate filtered sunlight but should be protected from harsh afternoon sun, which can fade or burn their leaves. Varieties labeled as "sun-tolerant," such as certain fancy-leaf types, can handle more sunlight with adequate watering. For indoor Caladiums, place them near east or north-facing windows for gentle, indirect light that enhances their vibrant colors. Ensuring consistent light conditions helps maintain their lush, striking appearance.

Soil Requirements

Well-draining, nutrient-rich soil is essential for healthy Caladiums. They prefer slightly acidic to neutral pH levels, ranging from 5.5 to 7.0, which supports optimal growth. Avoid heavy, compacted soils that retain excess moisture, as these can cause tuber rot. Amending garden soil with organic compost or soil conditioner improves aeration and nutrient content. In containers, use a high-quality potting mix designed for tropical or foliage plants, ensuring proper drainage for sustained health.

Watering Needs

Caladiums thrive with consistent moisture but dislike overly wet soil, which can lead to rot. Water thoroughly when the top inch of soil feels dry, ensuring the soil remains evenly moist but not soggy. During periods of active growth in summer, they may require more frequent watering, especially in hotter climates. For potted Caladiums, allow excess water to drain completely to prevent waterlogging.

Fertilizer Needs

Feed Caladiums with a balanced, water-soluble fertilizer every 4–6 weeks during their active growing season. Fertilizers with a slightly higher nitrogen content can enhance foliage development, resulting in richer, more vibrant leaves but over fertilizing with nitrogen can result in floppy leaves on poorly developed stems. Slow-release fertilizers are also an excellent choice for consistent nutrient supply. 

Pruning & Maintenance

Prune yellowing or damaged leaves to maintain a tidy appearance and encourage healthier growth. Removing spent foliage also reduces the risk of pests or diseases developing. If the plants become floppy, consider trimming the leaves down to the ground to promote new leaf growth and a more compact habit. While Caladiums are not designed to flower, they may occasionally send up a spadix type flower. Consider removing it as soon as noticed so the plant can re-focus its energies on producing more vibrantly colored leaves.

Overwintering

In cooler climates, Caladiums must be protected from frost and freezing temperatures. Before the first frost, dig up the tubers, gently remove excess soil, and cut foliage off at the tuber. Allow tubers to dry in a warm, shaded area for a few days. Store the tubers in a cool, dry place, such as a basement or garage, in a container filled with peat moss or dry sand. For indoor Caladiums, continue minimal watering and place them in a warmer, bright spot to maintain their foliage through winter. Replant stored tubers outdoors once the nighttime temperatures exceed 55°F  in spring.

Common Pests

Caladiums are rarely troubled by pests with the exception of slugs and snails. Using organic deterrents like diatomaceous earth or setting up slug beer traps can help. Although mites, thrips and other pests rarely bother Caladium, it is always wise to regularly inspect plants for signs of bugs. If found, most pests can be treated promptly with insecticidal soap or neem oil. 

Common Diseases

Caladiums are not susceptible to disease except for tuber rot, often caused by excessive moisture or poor air circulation. Tuber rot is best avoided by planting in well-draining soil and refraining from overwatering. Regularly inspecting the plant and maintaining optimal growing conditions will reduce the likelihood of disease.

Common Mistakes

Overwatering is a frequent mistake when caring for Caladiums, as their tubers are prone to rot in soggy soil. Planting in heavy or poorly draining soil is another common issue that can stunt growth or lead to disease. Additionally, exposing non-sun tolerant Caladiums to too much direct sunlight can scorch their delicate leaves and dull their vibrant colors. Addressing these factors and adjusting care routines ensures healthy, thriving plants.

Common Misconceptions

One misconception is that Caladiums can survive frost; in reality, they are highly sensitive to cold and their foliage will die at first frost. The tuber may also die if exposed to freezing.

Another myth is that Caladiums can only be planted in the part shade or full shade. So untrue. There is a wealth of sun-tolerant varieties of Caladiums. The problem is finding consistent information because some signs indicate a Caladium as shade only and another label will suggest it is sun-tolerant. When in doubt, check the internet because the internet never lies. LOL. Truly, this issue plagues all gardeners and there isn’t much to say other than offer two pointers. First, full sun in the deep south is a lot different than full sun in other parts of the US. And, if you try planting Caladiums in the full sun and if it doesn’t work, move it.

The final misconception about Caladiums is that one size fits all. Nope. Some Caladiums can be used for a tall upright backdrop. However, some Caladiums (e.g., fancy leaf varieties) with larger leaves will flop into a bushy mound. Still, others stay compact (e.g., the strap leaf variety). Consequently, choose a variety based on your needs.

Using Caladiums in the Garden

Caladiums are celebrated for their vibrant, heart-shaped foliage, making them versatile additions to any garden or landscape. Their bold colors and unique leaf patterns allow them to stand out in various settings, from shady garden beds to indoor containers. As low-maintenance plants, they provide dramatic visual appeal without requiring extensive care. Here are the three most common ways to use Caladiums to enhance your outdoor and indoor spaces.

Shade & Sun Focal Points

Caladiums are a favorite for creating lush, colorful focal points in shade and sun garden areas. Their ability to thrive in partial to full shade makes them ideal for underplanting around trees, along pathways, or in shaded borders. The wide array of colors, from bright pinks and reds to soft whites and greens, adds depth and dimension to otherwise darker spaces. When planted en masse, Caladiums create a stunning carpet of vibrant foliage that transforms shaded areas into focal points. They also pair beautifully with shade-loving companions like ferns, hostas, and impatiens, enhancing the overall texture and color palette of the garden.

In sunny garden areas, they can also be used as an upright focal point to divide garden areas, so that different themes can appear in one garden bed separated by a focal point that enhances various designs.

Potted or Container Plants

Potted Caladiums are a popular choice for patios, decks, and indoor spaces, offering flexibility in placement and design. In containers, their bold foliage becomes a striking centerpiece, whether used alone or mixed with other plants. Pairing Caladiums with trailing plants like ivy or upright blooms like begonias creates dynamic arrangements. Containers also allow gardeners to showcase Caladiums in areas where garden beds are unavailable, such as paved courtyards or balcony railings. Indoors, they thrive as statement pieces in bright, indirect light, adding a tropical vibe to living spaces.

Edging and Borders

Caladiums are commonly used as edging plants to define garden beds, walkways, and driveways. Their compact growth habit and vibrantly colored leaves create a clean, polished edge that enhances the structure of the landscape. The foliage of white Caladiums particularly provides contrast against greener lawns or darker mulches, creating a vivid outline that draws the eye. Planting Caladiums along borders also helps create a seamless transition between garden spaces.They are particularly effective when combined with flowering annuals or perennials, offering a balance of texture and color throughout the growing season.

Caladium is a Colorful Garden Standout!

Transform your space with the dramatic beauty of Caladiums today. Ready to grow Caladiums in your garden? You can Purchase Caladiums Online with Garden Delivery!