Gardens
- Arkinglas Garden: Woodland garden with specimen trees – http://www.ardkinglas.com
- Attadale Gardens: Garden in North West Scotland – Attadale Gardens
- Blackhills Garden – Blackhills Gardens (With Holiday cottages Scottish pottery)
- Burnoose Gardens – Burncoose Gardens: (Mail order plant catalogue)
- Cally Gardens – Cally Gardens: (Garden in South West Scotland)
- Exbury Gardens – Exbury Gardens: (Home of the Rothschild rhododendrons)
- Glenwhan Gardens – Glenwhan Gardens: (Garden in South West Scotland)
- Glorious Gardens of Argyll – Glorious Gardens of Argyll
- Marc Colombel: Brittany, France – Marcs Rhododendron page and Marcs Azelea page
- Royal Botanical Garden Kew – Kew Gardens
- Royal Botanical Garden Edinburgh – Royal Botanical Garden Edinburgh
- Trebah Garden – Trebah Garden Cornwall
Nurseries
- Dunge Valley Gardens – Dunge Valley Gardens (Hardy plant nursery)
- Glendoick Garden – Glendoick Gardens: (Rhododendron & azalea specialists)
- Kevock Garden Plants & Flowers – Kevock Garden Plants & Flowers (Specialist Plant Nursery)
- Millais Nursery – Millais Nurseries: (Rhododendron & azalea specialists)
- Osberton Nurseries – Osberton Nurseries high quality growers of Rhododendrons and Azaleas
- The Tree Shop – The Tree Shop (Ardkinglas Estate Nurseries)
Organisations
- American Rhododendron Society – Rhododendron Society
- Chris Callard’s vireyas – Chris Callard’s vireyas (Much information about vireya rhododendrons)
- National Trust for Scotland – National Trust for Scotland
- Royal Caledonian Horticultural Society – Royal Caledonian Horticultural Society
- Royal Horticulture Society – Royal Horticulture Society, Rhododendron, Camellia & Magnolia Group
- Rhododendron Species Foundation – Rhododendron Species Foundation
- Rhododendron Species Conservation Group – Rhododendron Species Conservation Group
- Société Bretonne du Rhododendron – Société Bretonne du Rhododendron
- Scottish Rock Garden Club – Scottish Rock Garden Club (for lovers of beautiful plants)
- Danish Chapter of the Amercian Rhododendron Society – Danish Chapter
Special Interest
- Caerhays Castle – Caerhays Castle: (Home of the National Magnolia Collection)
- Fairweather’s Vireyas – Fairweather’s Vireya Rhododendrons: (Vireya rhododendron online shop)
- National Council for the Preservation of Plants & Gardens – Plant conservation charity
- Perthshire Big Tree Country – Remarkable trees in Perthshire
- Scotland’s Garden Scheme – Scotland’s Garden Scheme
- Wildlife Gardener – Wildlife Gardener – Attracting wildlife to your garden
- Auchencairn House in Dumfries & Galloway
Gardening Related
- Recently created a wonderful guide to getting children started with gardening and garden sustainability – Hannah Miller Guide to getting children started with gardening and garden sustainability