garden bonsai niwaki. decorative trees. shrub silhouette set

alley autumn background black bonsai branch brushwood bush cluster collection coniferous decorative element evergreen fall fir foliage forest garden grass green grower herb icon illustration insulated isolated knot landscape leaf leaves mountain nature niwaki oak park pine plant set shrub shrubbery silhouette sketch spinney spruce stem summer thicket tree trees vector white winter wood