Providing sufficient sunlight, suitable soil, and consistent moisture is key to good Lupine (https://abodelook.com/knowledge-hub/lupine/) flowering. Avoid excessive nitrogen fertilizer, as it can encourage foliage rather than blooms. Deadheading spent flowers can help maintain the plant's appearance and may encourage further flowering in some varieties. Giving plants enough space for air circulation also supports healthier growth and reduces the risk of fungal diseases.