- 6. 8. ~ 6. 12. We can meet various works of our native plants in Seoul Forest for 5 days - □ The Korea Forest Service and the National Arboretum will hold the "2017 Korea Flower Exhibition" for 5 days from June 8 to 12 at Seoul Forest Park. ○ For the subdivision of plants, gardens, rare plants photographs, and four branches, the "2017 Korea Flower Exhibition" competition was held for about a m..