What To Know
- When the foliage begins to die back in fall, dig up the tubers and store them in a cool, dry place.
- Store the tubers in a paper bag or cardboard box filled with dry peat moss or vermiculite.
- Dig up the tubers, clean them, and store them in a cool, dry place in dry peat moss or vermiculite.
Caladiums, with their vibrant and eye-catching foliage, are a popular choice for adding a touch of color to gardens and homes. Planting caladium tubers is a relatively simple process, but proper techniques are essential for successful growth and stunning displays.
Choosing the Right Tubers
The key to successful caladium planting lies in selecting healthy and viable tubers. Look for firm, unblemished tubers with no signs of rot or damage. Avoid tubers that are soft or have sprouts emerging.
Soil Preparation
Caladiums thrive in well-drained, humus-rich soil with a pH between 5.5 and 6.5. Amend the soil with compost or organic matter to improve drainage and fertility.
Planting Depth and Spacing
Plant the tubers 2-3 inches deep and 6-8 inches apart. The pointed end of the tuber should be facing up.
Watering
Water the newly planted tubers thoroughly after planting. Keep the soil moist but not soggy. Avoid overwatering, as it can lead to tuber rot.
Light Requirements
Caladiums prefer bright, indirect light. They can tolerate partial shade, but direct sunlight can scorch their leaves.
Fertilization
Fertilize caladiums every 2-3 weeks with a balanced liquid fertilizer. Avoid overfertilizing, as it can damage the plants.
Care and Maintenance
- Mulch: Spread a layer of mulch around the plants to retain moisture and suppress weeds.
- Pest and Disease Control: Caladiums are generally pest-resistant, but they can be susceptible to aphids and mealybugs. Treat infestations promptly with insecticidal soap or neem oil.
Harvesting and Storage
Caladiums are not winter-hardy in most climates. When the foliage begins to die back in fall, dig up the tubers and store them in a cool, dry place.
- Harvesting: Dig up the tubers carefully to avoid damaging them.
- Cleaning: Remove any soil or debris from the tubers.
- Storage: Store the tubers in a paper bag or cardboard box filled with dry peat moss or vermiculite. Keep the tubers in a cool and dry place with temperatures between 45-55°F (7-13°C).
Bringing Caladiums Indoors
Caladiums can be grown indoors as houseplants during the winter.
- Potting: Plant the tubers in a pot filled with well-drained potting mix.
- Light: Provide bright, indirect light.
- Watering: Water the plants regularly, but allow the soil to dry out slightly between waterings.
- Fertilization: Fertilize the plants every 2-3 weeks with a balanced liquid fertilizer.
Troubleshooting
- Yellowing Leaves: Overwatering or nutrient deficiency.
- Brown Leaf Tips: Underwatering or low humidity.
- Stunted Growth: Insufficient light or nutrient deficiency.
- Pest Infestations: Treat with insecticidal soap or neem oil.
- Tuber Rot: Overwatering or poor drainage.
Popular Questions
Q: When is the best time to plant caladium tubers?
A: Spring, after the last frost.
Q: How long does it take for caladiums to sprout?
A: 2-3 weeks after planting.
Q: Can I plant caladium tubers in full sun?
A: No, they prefer bright, indirect light.
Q: How often should I water caladiums?
A: Regularly, but allow the soil to dry out slightly between waterings.
Q: What is the best fertilizer for caladiums?
A: A balanced liquid fertilizer.
Q: Can I grow caladiums indoors?
A: Yes, as houseplants during the winter.
Q: How do I store caladium tubers over the winter?
A: Dig up the tubers, clean them, and store them in a cool, dry place in dry peat moss or vermiculite.
Q: Why are my caladium leaves turning yellow?
A: Overwatering or nutrient deficiency.
Q: How do I prevent tuber rot?
A: Avoid overwatering and ensure good drainage.
Q: What pests and diseases can affect caladiums?
A: Aphids, mealybugs, and tuber rot.
