Ulsan’s Namgu, known as an eco-cultural district and a symbol of Korea’s whale heritage, will host the 5th Jangsaengpo Hydrangea Festival from June 19 to 28 at the Jangsaengpo Whale Culture Village.  The festival has established itself as Ulsan’s premier early summer floral event. This year, the village will come alive with over 37,000 hydrangea plants across 40 varieties, including new additions like Orion Blue, Red Baron, and Marshall. Approximately 900,000 blossoms will cascade across the venue in vibrant waves of color. By night, illuminated gardens will create a beautifully romantic ambiance.   A major highlight this year is the official launch of the “Whale Kart,” a motorized, circular track…