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List of Award of Garden Merit magnolias

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Below is a list of magnolia species and cultivars which currently (2016){{cite web | url=https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals hold the Royal Horticultural Society's Award of Garden Merit. Magnolias are shrubs or trees which put on a showy display of tulip-like flowers, often scented, in early to late spring. Many are slow-growing and may take several years to start flowering. They are suitable for cultivation in parks or gardens in temperate regions. M. stellata is suitable for smaller gardens. All are deciduous except for M. grandiflora, which is evergreen. The AGM citation includes a hardiness rating: all of the plants listed here are rated H6 (hardy down to -20 °C to -15 °C) or H5 (hardy down to -15 °C to -10 °C). This is indicated in the column marked H. Nevertheless, magnolias prefer a sheltered spot, and flower buds may be damaged by late frosts. The maximum size (height and spread) is shown in metres.

Listing

NameAGMHColourScentMax size h×wImage
M. 'Athene'{{cite weburl= https://www.rhs.org.uk/Plants/58435/i-Magnolia-i-Athene/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26query%3dmagnolia%2bathene%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'Athene' AGMdate=2017accessdate=2017-01-20}}2012H5white/pinkyes
M. 'Caerhays Belle'{{cite weburl= https://www.rhs.org.uk/Plants/43334/i-Magnolia-i-Caerhays-Belle/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dmagnolia%2bcaerhays%2bbelle%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'Caerhays Belle'date=2017accessdate=2017-01-20}}2012H5pinkno
M. 'Caerhays Surprise'{{cite weburl= https://www.rhs.org.uk/Plants/43335/i-Magnolia-i-Caerhays-Surprise/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26context%3db%253d0%2526hf%253d10%2526l%253den%2526q%253dmagnolia%252bcaerhays%252bbelle%2526s%253ddesc%252528plant_merged%252529%2526sl%253dplantForm%26query%3dmagnolia%2bcaerhays%2bsurprise%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'Caerhays Surprise' AGMdate=2017accessdate=2017-01-20}}2012H5pinkno
M. campbellii 'Darjeeling'2012H4deep pink/wineno10 × 4[[File:Magnolia campbellii Darjeeling.jpg50px]]
M. 'Daphne'{{cite weburl= https://www.rhs.org.uk/Plants/181750/i-Magnolia-i-Daphne/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bdaphne%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'Daphne' AGMdate=2017accessdate=2017-01-23}}2012H6pale yellowno
M. David Clulow'{{cite weburl=https://www.rhs.org.uk/Plants/121925/i-Magnolia-i-David-Clulow/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bdavid%2bclulow%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'David Clulow' AGMdate=2017accessdate=2017-01-23}}2012H5white/pale pinkno
M. 'Daybreak'2012H6pink/redyes10 × 3[[File:Magnolia Daybreak.jpg50px]]
M. denudata (yulan)1993H6whiteyes12 × 12[[File:Magnolia denudata1.jpg50px]]
M. 'Elizabeth'1993H6pale yellowyes12 × 8[[File:Magnolia 'Elizabeth' (Hybrid Magnolia Cultivar) (27169503715).jpg50px]]
M. 'Galaxy'1993H6rose-pinkno12 × 8[[File:Magnolia 'Galaxy' (7011952107).jpg50px]]
M. 'George Henry Kern'{{cite weburl= https://www.rhs.org.uk/Plants/54163/i-Magnolia-i-George-Henry-Kern/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26context%3db%253d0%2526hf%253d10%2526l%253den%2526q%253dMagnolia%252bdaybreak%2526s%253ddesc%252528plant_merged%252529%2526sl%253dplantForm%26query%3dMagnolia%2bgeorge%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'George Henry Kern' AGMdate=2017accessdate=2017-01-23}}2012H6pale pink/purpleno
M. 'Gold Star'{{cite weburl= https://www.rhs.org.uk/Plants/88252/i-Magnolia-i-Gold-Star/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26context%3db%253d0%2526hf%253d10%2526l%253den%2526q%253dMagnolia%252bgeorge%2526s%253ddesc%252528plant_merged%252529%2526sl%253dplantForm%26query%3dMagnolia%2bgold%2bstar%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'Gold Star'date=2017accessdate=2017-01-23}}2012H6creamy yellowno
M. grandiflora 'Kay Parris'{{cite weburl= https://www.rhs.org.uk/Plants/239932/i-Magnolia-grandiflora-i-Kay-Parris/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bkay%2bparris%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia grandiflora 'Kay Parris' AGMdate=2017accessdate=2017-01-23}}2012H5creamy whiteyes
M. grandiflora 'Victoria'2002H5whiteyes10 × 8
M. 'Heaven Scent'1993H6rose pinkyes12 × 12
M. liliiflora 'Nigra'1993H6red/purpleno4 × 2.5[[File:Magnolia liliiflora 'Nigra' in Jardin des Plantes, Paris 01.jpg50px]]
M. × loebneri 'Donna'{{cite weburl= https://www.rhs.org.uk/Plants/119226/i-Magnolia-i-×-i-loebneri-i-Donna/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26query%3dMagnolia%2bdonna%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia × loebneri 'Donna' AGMdate=2017accessdate=2017-01-23}}2012H6whiteyes
M. × loebneri 'Leonard Messel'1993H6lilac/pale pinkyes8 × 8[[File:Magnolia 'Leonard Messel'-IMG 2218.jpg50px]]
M. × loebneri 'Mag's Pirouette'2012H6whiteyes4 × 3
M. × loebneri 'Merrill'1993H6whiteno8 × 8[[File:Magnolia loebneri Merril1MTFL.jpg50px]]
M. × loebneri 'Wildcat'2012H6whiteno4 × 3
M. 'Lois'{{cite weburl= https://www.rhs.org.uk/Plants/141183/i-Magnolia-i-Lois/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26context%3db%253d0%2526hf%253d10%2526l%253den%2526q%253dMagnolia%252bwildcat%2526s%253ddesc%252528plant_merged%252529%2526sl%253dplantForm%26query%3dMagnolia%2blois%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia 'Lois' AGMdate=2017accessdate=2017-01-23}}2012H6primrose yellowyes
M. 'Milky Way'2002H5white/pale pinkno8 × 4
M. 'Pegasus'2012H6white/purpleno6 × 6
M. salicifolia 'Wada's Memory'1993H6whiteyes12 × 8[[File:Magnolia kewensis Wadas Memory1MTFL.jpg50px]]
M. 'Sayonara'1993H5white/purpleno8 × 4
M. sieboldii 'Colossus'{{cite weburl= https://www.rhs.org.uk/Plants/178464/i-Magnolia-sieboldii-i-Colossus/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26context%3db%253d0%2526hf%253d10%2526l%253den%2526q%253dMagnolia%252bpegasus%2526s%253ddesc%252528plant_merged%252529%2526sl%253dplantForm%26query%3dMagnolia%2bcolossus%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia sieboldii 'Colossus' AGMdate=2017accessdate=2017-01-23}}2012H6white/redyes
M. × soulangeana 'Brozzonii'1993H5white/purpleno8 × 8
M. × soulangeana 'Pickard's Schmetterling'2012H5white/purpleno8+ × 8
M. 'Spectrum'{{cite weburl= https://www.rhs.org.uk/Plants/62340/Magnolia-Spectrum/Detailstitle=Magnolia 'Spectrum' AGMdate=2017accessdate=2020-02-18}}2012H6pale pink/purpleno
M. sprengeri var. diva 'Burncoose'{{cite weburl= https://www.rhs.org.uk/Plants/58212/i-Magnolia-sprengeri-i-var-i-diva-i-Burncoose/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bburncoose%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia sprengeri var. diva 'Burncoose' AGMdate=2017accessdate=2017-01-23}}2012H6purple/whiteno
M. sprengeri var. diva 'Copeland Court'{{cite weburl=https://www.rhs.org.uk/Plants/88901/i-Magnolia-sprengeri-i-var-i-diva-i-Copeland-Court/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bcopeland%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia sprengeri var. diva 'Copeland Court' AGMdate=2017accessdate=2017-01-23}}2012H6bright pinkno
M. sprengeri var. diva 'Eric Savill'{{cite weburl= https://www.rhs.org.uk/Plants/239625/i-Magnolia-sprengeri-i-var-i-diva-i-Eric-Savill/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bsavill%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia sprengeri var. diva 'Eric Savill' AGMdate=2017accessdate=2017-01-23}}2012H6bright pink/pale pinkno
M. 'Star Wars'2002H5rose pink, doubleyes8 × 4[[File:Magnolia Star wars.jpg50px]]
M. stellata 'Centennial'{{cite weburl= https://www.rhs.org.uk/Plants/72553/i-Magnolia-stellata-i-Centennial/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dtrue%26query%3dMagnolia%2bstellata%2bcentennial%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia stellata 'Centennial' AGMdate=2017accessdate=2017-01-23}}2012H6white/pinkyes
M. stellata 'Jane Platt'{{cite weburl= https://www.rhs.org.uk/Plants/41024/i-Magnolia-stellata-i-Jane-Platt/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bstellata%2bjane%2bplatt%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia stellata 'Jane Platt' AGMdate=2017accessdate=2017-01-23}}2012H6pale pinkyes
M. stellata 'Royal Star'{{cite weburl= https://www.rhs.org.uk/Plants/65432/i-Magnolia-stellata-i-Royal-Star/Details?returnurl=%2fplants%2fsearch-results%3fform-mode%3dfalse%26query%3dMagnolia%2bstellata%2broyal%2bstar%26aliaspath%3d%252fplants%252fsearch-resultstitle=Magnolia stellata 'Royal Star' AGMdate=2017accessdate=2017-01-23}}2012H6whiteyes
M. 'Susan'1993H6purple/pinkyes4 × 4[[File:Magnolia Susan.jpg50px]]
M. 'Sweetheart'2012H5pinkyes6 × 4
M. wilsonii1993H6white/crimsonyes8 × 8[[File:Magnolia wilsonii1UME.jpg50px]]
M. 'Yellow Lantern'{{cite weburl= https://www.rhs.org.uk/Plants/41990/Magnolia-Yellow-Lantern/Detailstitle=Magnolia 'Yellow Lantern' AGMdate=2017accessdate=2017-01-23}}2012H6pale yellowno

Withdrawn

NameTypeFlower colourDimensions h × w
M. grandiflora 'Exmouth'treedouble white8 - × 8 -
'Lennei'shrubpurple/white4 - × 2.5 -
M. obovatatreecream12 - × 8 -
'Rustica Rubra'shrubrose-pink4 - × 4 -
M. salicifoliatreewhite, fragrant8 - × 4 -
M. stellatashrubwhite1.5 - × 2.5 -
M. stellata 'Water Lily'shrubwhite1.5 - × 2.5 -

References

References

  1. (2008). "RHS A-Z encyclopedia of garden plants". Dorling Kindersley.
  2. "RHS hardiness rating". Royal Horticultural Society.
  3. "''Magnolia denudata'' AGM". Royal Horticultural Society.
  4. "''Magnolia'' 'Elizabeth' AGM". Royal Horticultural Society.
  5. "''Magnolia'' 'Galaxy' AGM". Royal Horticultural Society.
  6. "''Magnolia'' 'Heaven Scent' AGM". Royal Horticultural Society.
  7. "''Magnolia liliiflora'' 'Nigra' AGM". Royal Horticultural Society.
  8. "''Magnolia'' × ''loebneri'' 'Leonard Messel' AGM". Royal Horticultural Society.
  9. "''Magnolia'' × ''loebneri'' 'Merrill' AGM". Royal Horticultural Society.
  10. "''Magnolia'' 'Milky Way' AGM". Royal Horticultural Society.
  11. "''Magnolia salicifolia'' 'Wada's Memory' AGM". Royal Horticultural Society.
  12. "''Magnolia'' 'Sayonara' AGM". Royal Horticultural Society.
  13. "''Magnolia'' × ''soulangeana'' 'Brozzonii' AGM". Royal Horticultural Society.
  14. "''Magnolia'' 'Star Wars' AGM". Royal Horticultural Society.
  15. "''Magnolia'' 'Susan' AGM". Royal Horticultural Society.
  16. "''Magnolia'' wilsonii AGM". Royal Horticultural Society.
  17. (February 2022)
  18. "Magnolia × soulangeana 'Lennei'". Royal Horticultural Society.
  19. "Magnolia obovata Thunb.". Royal Horticultural Society.
  20. "Magnolia × soulangeana 'Rustica Rubra'". Royal Horticultural Society.
  21. "Magnolia salicifolia". Royal Horticultural Society.
  22. "Magnolia stellata". Royal Horticultural Society.
  23. "Magnolia stellata 'Water Lily'". Royal Horticultural Society.
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