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There is no shadow of doubt in my mind that the M. campbellii group has produced and will continue to produce magnificent fast-blooming hybrids of great quality to adorn our gardens now and in the future. Various breeders around the world have used this aristocrat on account of its flower colour and poise and also the habit of the plant, to great effect.
M. campbellii, M. campbellii Alba Group, subsp. mollicomata and ‘Lanarth’ group have all been hybridised either deliberately or more often than not by accident in a number of the famous Cornish gardens where splendid specimens are growing and flowering alongside one another.
M. sargentiana var. robusta × M. campbellii
The 11 or 12 broad purplish pink tepals open to reveal a paler purplish pink on the upper surface and are 19 cm in diameter. Flowering during March in the south west of England. The 11 or 12 broad purplish pink tepals open to reveal a paler purplish pink on the upper surface and are 19 cm in diameter. Flowering during March in the south west of England. This hybrid resulted from seed collected from M. sargentiana var. robusta growing in Caerhays Castle, Cornwall in 1960. Philip Tregunna was head gardener of Caerhays 1956-1996.
The Caerhays Castle tree was recorded as 16 m × 80.25 cm (The Tree Register 2016).