Overwatering can be harmful to Plumeria, so it’s essential to avoid it. Allow the top inch of the soil to dry out before watering again. Use a well-draining soil mix and ensure your pots have drainage holes to prevent waterlogged conditions. During the dormant season, water sparingly as Plumeria requires less water during this time. Monitor the plant’s condition and adjust watering accordingly to prevent overwatering and keep your Plumeria healthy.