Corporation of the Town of Whitby Mark Pickering, CLHT Listing ID: 2563 Designation: CLHT – Certified Landscape Horticulturist Technician Contact details 575 Rossland Rd E, WhitbyON,L1G 4M9 (905) 668-3437 EXT.3551 mpickering@bell.net Facebook Twitter WhatsApp admin2023-02-20T15:27:40-05:00