Tulsi Plants shed or dry due to some reasons, such as:

• Inadequate watering:- Watering can be harmful for a plant in both ways whether you are overwatering the plant or underwatering it, both can stress the plant, causing it to dry out. Overwatering leads to root rot, while underwatering it, deprives the plant of essential moisture.
• Insufficient Sunlight:- Tulsi plant thrives in full Sunlight, It require daily's 6 to 8 hours direct sunlight to grow healthier this plant, Insufficient sunlight can weaken the plant.
• Poor Soil Quality:- Tulsi plant Require well draining soil rich in organic matter, sandy soils can lead to moisture deficiency in the roots while clayey or heavy soil may lead to root suffocation to the plant.
• Nutrients Deficiency:- Lack of essential nutrients such as nitrogen and potassium can hurdle the plants growth, and leads to leaf shedding or drying.
• Poor Drainage:- Water logging can cause root rot, that makes so much difficult to the plant to absorb essential nutrients and water.
• Transplant Shock:- Some sudden environmental changes can cause stress to the plant, which causes it to leaf shedding.
• Environmental stress:- Strong wind, low humidity and extreme heat can cause to drying tulsi plant.
• Over-fertilization:- Excessive fertilization can disrupt the plant's natural balance, that's lead to leaf dropping or drying.
• Natural leaf shedding cycle:- Tulsi Plant Naturally shed older leaf to make room for the new ones.

Ensure Proper Care:

• Proper Watering:- Maintain a balance between overwatering and underwatering or drainage.
• Balanced Fertilization:- Use organic fertilizer, specially while using for herbs like tulsi.
• Adequate Sunlight:- Tulsi plants needs sufficient sunlight for healthy growth, so provide 6 to 8 hours sunlight.
• Regular Pruning:- Prune your tulsi plant to encourage bushy growth and prevents seed production.
• Pest Control:- Use Organic methods to mitigate damages, monitor for diseases.

By Understanding such factors, you can definitely helps your tulsi plant to prevent unnecessary shedding and drying.