How to Grow and Care for Caladium ‘Florida Clown’

The Caladium ‘Florida Clown’ is a striking ornamental plant prized for its intricate, multi-colored foliage, which makes it a popular choice for gardens and indoor spaces. This cultivar presents heart-shaped leaves splashed with a vibrant combination of pink, red, white, and green speckles, resembling a confetti pattern. Originating from the tropical regions of South America, specifically the Amazon rainforest, this plant thrives in warm, humid conditions. The characteristic red and white freckles become more pronounced as the plant matures and new leaves develop.

Ideal Environmental Conditions

Maintaining the correct light exposure is important for maximizing the color saturation of the ‘Florida Clown’ foliage. This caladium variety performs best in bright, indirect light or dappled shade, which helps prevent the leaves from scorching while promoting deep coloration. Placing the plant in an area that receives morning sun or filtered sunlight is recommended, as harsh, direct midday sun can lead to leaf burn and fading of the vibrant pigments.

As a tropical species, the ‘Florida Clown’ requires warm temperatures to maintain active growth. The optimal temperature range for these plants is typically between 65°F and 85°F (18°C to 29°C), with growth slowing significantly below 68°F (20°C). They are highly sensitive to cold, so they must be protected from drafts and temperatures dropping below 50°F (10°C), which can cause the tubers to die.

High ambient moisture is necessary, as this caladium prefers humidity levels of about 50% to 70%. In drier indoor environments, this can be achieved by utilizing a pebble tray filled with water beneath the pot or by running a room humidifier nearby. While misting the leaves can temporarily raise humidity, ensuring good air circulation is also necessary to prevent the development of fungal issues.

Planting and Soil Requirements

The best time to plant ‘Florida Clown’ tubers is in the spring, after the danger of the last frost has passed and soil temperatures have consistently warmed above 65°F (18°C). When planting, select a location or container that offers well-draining soil composition to prevent waterlogging, which can cause the tubers to rot. A suitable mix is one that is rich in organic matter, such as a peat-based potting mix amended with materials like perlite or compost to ensure good aeration.

The tubers should be planted shallowly, typically covered with only one to two inches of soil. Position the tuber with the “eyes,” the small, rounded growth points, facing upwards to encourage proper shoot development. Tubers of a larger size, such as those 2.5 to 3.5 inches in diameter, generally produce a greater number of leaves and establish a larger plant more quickly.

Routine Watering and Fertilization

Consistent moisture management is necessary during the active growing season, which spans from spring through fall. The soil should be kept uniformly moist but never saturated or soggy, which requires a balance to avoid both drying out and root rot. Water thoroughly when the top inch of soil feels dry to the touch, ensuring any excess water drains completely from the bottom of the pot.

Fertilizing supports the vibrant leaf growth of the ‘Florida Clown’ and should be done regularly throughout the warm growing months. Apply a balanced, water-soluble fertilizer, often diluted to half the recommended strength, every two to four weeks. Alternatively, a granular slow-release fertilizer can be incorporated into the soil at the start of the season. Cease all fertilization as the weather cools and the plant prepares for its dormancy phase.

Preparing for Dormancy

As temperatures drop and daylight hours shorten, the ‘Florida Clown’ will naturally enter a period of dormancy, typically beginning in late autumn. The first sign of this transition is the yellowing and eventual collapse of the foliage, at which point watering should be gradually reduced and then stopped entirely. If the caladium is grown outdoors in a climate where temperatures fall below 50°F (10°C), the tubers must be lifted from the soil to prevent freezing.

Once the foliage has completely died back, carefully dig up the tubers, gently brush off the excess soil, and allow them to dry for a few days in a warm, well-ventilated area. The cleaned tubers should then be stored in a cool, dark location where the temperature remains consistently between 50°F and 68°F (10°C to 20°C). Storing the tubers nestled in a dry medium like peat moss, vermiculite, or a paper bag helps maintain proper conditions until they are ready to be replanted in the following spring.