- Nova Scotia Association of Garden Clubs
- Atlantic Canadian Organic Regional Network
- British Columbia Master Gardeners
- Ontario Master Gardeners
- Saskatchewan Master Gardeners
- Virginia Master Gardeners
- Royal Horticultural Society
- Ecology Action Centre
- Canadian Wildlife Federation – Wild About Gardens
- Gardening in a Northern Climate
- Seeds of Diversity
- Sustainable Urban Landscape Information Series
- Willow Garden Rhododendron Nursery and Garden
- Morden Manitoba Plant Research Centre (.pdf)
- BBC Gardener’s World
- Fine Gardening Magazine
- Horticulture Magazine
- Exotic Forest Insects
- Van Den Berk Nurseries (tree search)
- Notes for Advanced Master Gardener Program – Virginia
- Presentations given by Virginia Master Gardeners
- Virginia MG Water Steward Handbook
- Advanced Master Gardener Program – Landcare Steward, Virginia MG
- USA Master Gardener Resources
- Northern Shenandoah Master Gardeners resource page
- Seed Saver web site
- Gardening for Wildlife
- Gardening for Wildlife – study program
- Garden Forever
- Brooklyn Botanic Garden, Garden Design articles
- Roger Phillips on-line Book of Trees and Shrubs
- Roger Phillips on-line Book of Mushrooms
Roses:
Lilacs:
Lawn Care:
Botanic Gardens
Annapolis Historic Gardens
Edmonton Devonian Gardens
Fredericton Botanical Gardens
Halifax Public Gardens
Harriett Irving Botanical Gardens, Acadia University
International Peace Gardens
Kew Gardens
Kingsbrae Horticultural Garden, St. Andrew's, NB
Memorial University Botanical Garden, St. John’s, NL
Montreal Botanic Gardens
New Brunswick Botanic Garden, Edmunston, NB
Royal Botanic Gardens, Ontario
Rural Gardens of Grey and Bruce Counties, Ontario
Tangled Gardens, Grand Pré, NS
The Butchart Garden
The Ryton Organic Garden UK
Who's Who
Isabella Preston
Frank Skinner
Captain Dick Steele (and another link)
Donald Craig
Pleasance Kaufman Crawford
Blogs
Atlantic Master Gardeners
Garden Rant
Jodi DeLong, garden writer