As he became adept at growing rare varieties, demand increased. (entrepreneur.com)
Hawaii's lush Limahuli Garden and Preserve protects endangered native flowers like the delicate, scarlet - hued hibiscus, as well as rare varieties of plants (taro, sweet potato) vital to early Hawaiians. (travelandleisure.com)
As their demand increased, the prices of bulbs surged with rare varieties commanding astronomical prices. (investopedia.com)