Reviews Description: Haws watering cans have been a fixture in English gardens since 1886, the year that Londoner John Haws patented his unique design for a “watering pot” with perfect balance. This small, well-balanced, mini version of the classic Haws watering can is made of injection molded plastic.. It has a round brass faced rose that is removable. Used for indoor plant watering especially orchids, African Violets and for watering seedlings. Over the last 125 years the Haws name has become known as the makers of the finest watering cans used throughout the world. Gardeners know that a Haws watering can is the best whether it's made in metal or plastic. 1-pint (0.5-liter) capacity, green. Made in England.