chives garden green greens healthy herbal onion onions plant pot spring sprout vitamin allium bulb cultivar food summer vegetable animal bee bees eating field flower flowers fly flying insect insects mosquito nature plants visitor visitors vegetable garden Red onion ball-shaped black black-seeds brittle brown colors colours dried-up dry flowering onion-seed-head-ball onion-seeds seed-head seeds straw-colored straw-coloured vegetable-garden agriculture crop England horticulture kitchen quality alliaceae aromatic beneficial circles condiment cooking culinary cut edible flavonoids flavor flavoring flavour flavouring fragrant fresh garden onions health layers medicinal mild moist nutritious odor odour pungent purple purple onion raw red rings round salad vegetable skins soup vegetable Spanish onion stir fry vegetable tangy tasty textures veg vegetables