angles Begonias bromeliads cascading cloud-forest color colorful colors colour colourful conservatory creepers decorative delicate-ferns dense density distinctive dome ecological ecology environmental epiphytic ferns flora flowers foliage gardening gardens green greenery greenhouse greening hanging height high highrise leaves lush-vegetation orchids plantings plants Singapore tropical-highlands tropical-mountains vertical vertical-gardening vertical-gardens vines wall-garden alliaceae allium allium cepa brown onions bulbs circles common onions cultivars cut edible flavonoids flavor flavour food growing growth half halved healthy layers lines medicinal mild nutritious odor odour onion oval-shaped paper thin papery skin peel peeling pungent raw round salad vegetable shooting shoots skins soup vegetable stir fry vegetable tangy tasty thin vegetable white appearance architectural architectural elements bench seats building colours condominium cool courtyard display elements exterior external garden garden display garden plants leaf light lighting nature ornamental patterns peace peaceful perspectives pruned pruning residence residential shade shadows shaped shapes shelter shrub shrubbery sunlight textures variation variety vegetation walls Australia Australian-native background blooming blooms bright bristly-cottonhead budding buds bush bushland-flowers close-up clumping-perennial cluster colored coloured conostylis-setigera cotton-head drought-tolerant furry golden grass haemodoraceae native petals plant species stalks stamens stems texture tufted-perennial-plant velvety Western-Australian wildflowers yellow