alliaceae allium annuals Asparagus bell-peppers brown-onions bunches capsicums carrots cauliflower color colors colour colours common-onions cooking cutting-board edible escallion flavor flavour food fresh fruit green-onion greens healthy kent-pumpkin kitchen knife leaves nutritious onions papurika peel peeler peeling peppers pumpkin raw Roots spring-onions surfaces sweet-peppers tasty textures uncooked variety vegetables angles Begonias bromeliads cascading cloud-forest colorful 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 lush-vegetation orchids plantings plants Singapore tropical-highlands tropical-mountains vertical vertical-gardening vertical-gardens vines wall-garden allium cepa brown onions bulbs circles common onions cultivars cut flavonoids growing growth half halved layers lines medicinal mild odor odour onion oval-shaped paper thin papery skin pungent round salad vegetable shooting shoots skins soup vegetable stir fry vegetable tangy thin vegetable white appearance architectural architectural elements bench seats building 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 variation vegetation walls