summer seamless pattern, leaves and flowers, sketch, lilac purple blue green outline on dark background.

ancient armoracia art autumn background blue botanical botany cochlearia curve cute decor decoration decorative design detailed drawing drawn element engraved flora flower foliage garden graphic green hand healthy herb horseradish illustration leaf leaves lilac line natural nature organic outline pattern plant purple radish raphanistrum raphanus retro seamless silhouette sketch sketched spring stem summer vector vintage whimsical wreath