Lilac Festival 2025 Dates. Calgary which is located in alberta region, in south west canada holds once a year, on the last sunday of may, the lilac festival. Because of the love they have for spokane, they tirelessly give of their time and talents to fulfill our.

When is the mackinac island lilac festival 2025 taking place? Calgary which is located in alberta region, in south west canada holds once a year, on the last sunday of may, the lilac festival.