Where to plant:Filtered sun or shade, with the exception of newer varieties that can tolerate more sunlight. The leaf colors are often more vibrant when grown in shade. Because of the large leaves, locate plants in a spot sheltered from strong winds to avoid damage.Soil:Plant in moist, rich, well-drained soil amended by compost or other organic matter.When to plant:Because caladiums are natives of the tropics, they crave heat and will only flourish in warm air and soil temperatures. Wait until daytime temperatures are 70° to 85° F and nighttime temperatures stay above 60° F. Depending on your growing zone, this can be as early as mid-March (zones 9-11) or as late as mid-June (zones 3-4). In northern areas of the country, caladiums often do best in containers because the soil warms up faster.How to plant:If growing from tubers, plant them in garden beds about 1½ to 2 inches deep with the pointed end (stem) pointing up. Space plants about 8 to 12 inches apart, based on their size at maturity. In cooler climates, you can start tubers indoors in early spring, using methods similar to those recommended for tuberous begonias.If planting potted caladiums, acclimate them to outdoor conditions before putting them in the ground.CALADIUM CAREWatering:Provide enough moisture throughout the growing season to keep the soil evenly moist. If you allow the soil to dry out, the leaves may yellow and drop. Apply a layer of mulch around your plants to help retain moisture.
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