Max Underhill 's Farm Supply Ltd All Customers must wear a mask on our grounds in accordance to current COVID-19 protocol. Thank you in advance for your anticipated co-operation. Contact us at: Vienna: (519) 866-3632 Aylmer: (519) 773-5658 Home COVID-19 Protocol About Us Lawn and Garden Products & Services Contact Helping Things Grow Since 1970 50 YEARS of Excellence! 1970-2020 Current Hours of Operation Monday- Friday: 8:30 AM - 4:00 PM Saturday: 8:30 AM - 12PM