Lilac Arboretum and Children's Forest is a botanical garden in Ewing Park in Des Moines, Iowa, also known as the Ewing Lilac Arboretum. Known for its extensive lilac collection, it contains more than 1,400 bushes representing 120 varieties. The garden stands out as a specialized arboretum devoted to displaying the range of lilacs within a city park setting. Within Ewing Park, it combines ornamental planting with a children’s forest, giving it both botanical significance and a broader recreational role.