Maintaining White Blue Bell bonsai plants involves several key practices to ensure their health and blooming:

1. Watering: Keep the soil consistently moist but not waterlogged. Water thoroughly when the top inch of soil feels dry, especially during hot weather.
2. Light: Provide bright, indirect sunlight. Blue Bell bonsai plants prefer at least 4-6 hours of sunlight daily but should be protected from intense midday sun.
3. Temperature and Humidity: Maintain moderate temperatures between 65-75°F (18-24°C). Blue Bell bonsai plants prefer moderate humidity levels and benefit from occasional misting, especially in dry indoor environments.
4. Fertilization: Feed with a balanced, water-soluble fertilizer every 2-4 weeks during the growing season (spring and summer). Reduce fertilization during fall and winter when growth slows.
5. Pruning and Training: Regularly prune to maintain shape and encourage new growth. Train the branches using wiring techniques during the growing season to achieve desired bonsai shapes.
6. Pest and Disease Control: Monitor for pests such as aphids or spider mites, and treat promptly if detected. Ensure good air circulation around the plant to prevent fungal diseases.
7. Winter Care: Protect Blue Bell bonsai plants from cold drafts and temperature extremes. Consider bringing them indoors during winter in cooler climates or providing additional protection with mulch or a cold frame.

By following these maintenance guidelines, you can help your Blue Bell bonsai thrive and enjoy its beautiful, colorful flowers throughout the growing season.