Dean's Greenhouse 3984 Porter Road, OH 44145 Westlake Phone: 440 ) 871-2050 Fax: 440 ) 871-0778 Open Wednesday through Friday 9: 00am to 6: 00pm, Saturday 9: 00am to 5: 00pm. Closed Sunday, Monday & TuesdayA Li'l Bit About Dean's GreenhouseDean's Greenhouse was established in 1924 and is one of the oldest, continually operational businesses in Westlake, Ohio. Sam Dean started as a local farmer and would take his produce into Cleveland via horse and wagon. Soon, he began constructing greenhouses to extend his growing season. Not long after this followed ventures into packaging companies, the retail greenhouse and the addition of a retail flower shop.