Cool Caladiums Get Growing with TLC Caladiums are grown for their large colorful leaves as landscape bedding plants. These 1-3 feet tall plants bear bi-colored or tri-colored leaves. These plants add bold strikes of color to shady garden areas. They are easy to grow in decent soil. Caladium bulbs (actually tubers) need to be planted in shade but will have better foliage color if the area receives adequate light. Plant bulbs 2-4” deep, but wait to plant until the soil and nigh