Glendoick Gardens: the UK’s favourite Rhododendron Nursery. Mail order for bare root stock from October to March. Species, Hybrids, Rhododendrons & Azaleas including many exclusives bred at Glendoick. Scented Maddenia, rare dwarf species and lots more. Minimum order £150. Also Garden Centre A90 Perth-Dundee Road open 7 days.