Top 10 Summer Flowers for Backyard Landscaping in Toronto
Reviewed and updated for the 2026 growing season by the Land-Con landscaping team. The best summer flowers for Toronto backyards are heat-tolerant, sun-loving varieties like petunias, mandevilla, and lavender that thrive through the city’s humid July and August stretches without constant watering. Below, our team ranks the 10 varieties we plant most often for Toronto…



