- Be a Master Gardener - Blog
- Blossom Hill Delphiniums and Peonies – Fowlers Corners
- Cabbage Roses
- Composting
- Garden Girl, Cobourg
- Gardens Plus – Hostas and Daylilies in Peterborough
- Gardening & Landscaping 101
- Griffin’s Greenhouses – Peterborough
- Heritage Perennials – Wholesale Grower, Good source of Information
- Lee Valley – A source for garden tools
- Miriam Mutton Landscape Architect
- Native Plant Nurseries
- Ontario Growers Supply
- Phoenix Perennials
- Plant World
- Richters – Supplier of herbs
- Ritten House – Tools for the garden
- Suburban Grandma
- Tiger Turf-Sustainable Gardening (various sources)
- The Helpful Gardener
- Topiary Tree
- Veseys Bulbs and Seeds
- Water Conservation in Gardens
- Whistling Gardens