Tree Aeonium
Synonym: Aeonium arboreum subsp. arboreum
Aeonium arboreum is a branching, rosette-forming succulent from the Canary Islands that brings a sculptural, drought-tolerant presence to mild, sheltered gardens in Ireland and Britain, though it needs protection from frost and winter wet to thrive.
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Dark purple houseleek tree
Synonym: Aeonium arboreum subsp. arboreum
A striking, branching succulent with glossy rosettes of deep purple-black leaves that darken in full sun.
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Fiery Century Plant
Synonym: Agave ferox
The Fiery Century Plant (Agave ferox) is a striking, heavily armed succulent from Mexico, valued more for its intensity than for widespread cultivation.
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Soap Aloe
Synonym: Aloe maculata subsp. ficksburgensis
Aloe maculata is a spotted, clump-forming aloe that performs well in mild, well-drained gardens in Ireland and Britain, offering reliable structure and winter colour with moderate frost tolerance.
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Spiral aloe
Aloe polyphylla is a rare and striking spiral-forming aloe that can be grown in cool, well-drained conditions in Ireland and Britain, but requires careful management of moisture to succeed.
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Mexican Lily
Synonym: Beschorneria yuccoides subsp. dekosteriana
Beschorneria yuccoides is a hardy, non-spiny, agave-like perennial that thrives in mild, well-drained gardens in Ireland and Britain, offering elegant structure and reliable performance.
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Red Angel's Trumpet
Brugmansia sanguinea is a colourful Andean shrub often grown as a container or protected plant in Ireland and Britain, offering vivid trumpet-shaped flowers but little tolerance for frost. Grows outside all year round at Earlscliffe.
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Norfolk Island Cabbage Tree
Synonym: Cordyline baueri
Cordyline obtecta (C. baueri) is a broad-leaved, palm-like evergreen that suits mild, sheltered gardens in Ireland and Britain, offering a more tropical look than C. australis but with reduced hardiness.
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Australian tree fern
Dicksonia antarctica is a hardy tree fern that thrives in moist, sheltered gardens in Ireland and Britain, providing a lush, tropical appearance with good tolerance of cool, damp conditions.
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Pride of Madeira
Synonym: Chayota edulis (Jacq.) Jacq. Cucumis acutangulus Descourt. Sechium americanum Poir. Sechium chayota
Echium candicans is a bold, blue-flowering shrub that thrives in mild, well-drained coastal gardens in Ireland and Britain, offering strong architectural impact but limited tolerance of cold and winter wet.
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Tower of Jewels
Synonym: Echium wildpretii subsp. trichosiphon
Echium wildpretii is a dramatic biennial that can thrive in mild, well-drained coastal gardens in Ireland and Britain, producing spectacular flower spikes but with limited tolerance of frost and winter wet.
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Mexican giant false agave
Synonym: Furcraea longaeva misapplied
Furcraea parmentieri (often mislabelled as Furcraea longaeva) is a bold, trunk‑forming succulent with a dense crown of blue‑grey leaves, capable of producing a towering flowering spike before dying.
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Robinson Crusoe palm
Juania australis is a rare and elegant Chilean island palm that is largely unsuited to Ireland and Britain, requiring frost-free, highly sheltered conditions and remaining a specialist collector’s plant rather than a reliable garden choice.
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Chilean wine palm
Synonym: J. spectabilis. Cocos chilensis
Jubaea chilensis is a slow-growing but hardy feather palm that can thrive in mild, sheltered gardens in Ireland and Britain, offering exceptional long-term presence but requiring patience and good drainage.
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New Zealand Christmas tree
Metrosideros excelsa is a spectacular flowering coastal tree that can grow in only the mildest, frost-free parts of Ireland and Britain, offering vivid red blooms but requiring exceptional shelter and climate.
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Japanese banana
Synonym: M. japonica.
Musa basjoo is a robust, fast-growing banana that brings a tropical look to Ireland and Britain, surviving winter through its roots and regrowing each year in sheltered, fertile conditions.
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Canary Island Date Palm
Synonym: Phoenix canariensis var. porphyrococca Vasc. & Franco.
Phoenix canariensis is a classic, large-feathered palm that can be grown in very mild coastal gardens in Ireland and Britain, offering strong visual impact but requiring significant shelter and protection from cold.
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Sheep-eating Plant
Synonym: P. coarctata.
Puya chilensis is a dramatic, spiny bromeliad that can succeed in mild, well-drained coastal gardens in Ireland and Britain, offering strong architectural presence but requiring careful siting and protection from winter wet.
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