Core Viewpoint - The article highlights the cultural significance and beauty of lilac flowers in Xining, Qinghai, emphasizing their role as a symbol of resilience and community spirit in the city [5][6][7]. Group 1: Cultural Significance - Lilac flowers have a deep emotional connection with the residents of Xining, symbolizing happiness and prosperity [6][7]. - The city has over one million lilac plants, accounting for 70% of the total flower and shrub planting in Xining, earning it the title "City of Lilacs" [7]. - The lilac was officially designated as the city flower in March 1985, reflecting its importance in the local culture [7]. Group 2: Scientific and Agricultural Development - Research efforts have been made to cultivate various lilac species suitable for Xining's high-altitude climate, resulting in an increase from 18 to 88 species [10]. - The establishment of a national lilac germplasm resource bank in Xining has facilitated the breeding of resilient lilac varieties, extending the blooming period from May to September [10]. Group 3: Tourism and Community Engagement - Xining has developed tourism routes and events centered around the lilac blooming season, attracting visitors and fostering community participation [11]. - Local residents engage in activities that celebrate the lilac, enhancing community bonds and promoting cultural heritage [15][16].