What to Do When Caladiums Stop Growing: Common Reasons and Remedies

Caladiums are popular ornamental plants known for their vibrant foliage. However, gardeners often face the issue of caladiums stopping their growth unexpectedly. Understanding the reasons behind this problem and knowing the remedies can help revive your plants and ensure healthy growth.

Common Reasons Why Caladiums Stop Growing

1. Insufficient Light

Caladiums thrive in bright, indirect sunlight. Lack of adequate light can lead to stunted growth or complete dormancy. During the growing season, ensure they receive at least 4-6 hours of indirect sunlight daily.

2. Improper Watering

Overwatering can cause root rot, while underwatering can lead to dehydration. Both situations can halt caladium growth. Maintain consistently moist soil, but avoid waterlogging.

3. Temperature Fluctuations

Caladiums prefer warm temperatures between 65°F and 85°F. Cold drafts or sudden temperature drops can cause the plants to stop growing or go dormant.

4. Nutrient Deficiency

Lack of essential nutrients, especially nitrogen, can stunt growth. Regular fertilization during the active growing season supports healthy development.

Remedies to Promote Growth

1. Adjust Light Conditions

Place caladiums in a location with bright, indirect sunlight. If grown indoors, use sheer curtains or move them closer to a window that receives filtered light.

2. Optimize Watering Practices

Water the plants when the top inch of soil feels dry. Ensure proper drainage to prevent water from accumulating at the bottom of the pot.

3. Regulate Temperature

Keep caladiums away from cold drafts, air conditioning vents, and open windows during chilly weather. Use mulch or bring potted plants indoors during cold spells.

4. Fertilize Appropriately

Use a balanced, water-soluble fertilizer every 4-6 weeks during the growing season. Follow the manufacturer’s instructions for proper dosage.

Additional Tips for Healthy Caladiums

  • Ensure the soil is well-draining and rich in organic matter.
  • Avoid disturbing the roots when watering or repotting.
  • Allow the foliage to die back naturally in fall; do not cut it prematurely.
  • Store tubers in a cool, dry place during dormancy if growing season ends.

By understanding the common causes and applying these remedies, you can encourage your caladiums to resume vigorous growth and enjoy their stunning foliage year after year.