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All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
N. mutabilis is an upright annual to 1.5m tall with a basal rosette of large, oval leaves. In summer, airy clouds of trumpet-shaped flowers are borne on branching stems changing colour as they age from white through shades of pink
N. longiflora is an upright annual with large oval leaves and long, tubular, white flowers that open in the evenings in summer and emit a sweet fragrance
N. sylvestris is a branching biennial or short-lived perennial grown as a half hardy annual in colder climates. Growing to 1.5m high, with a basal rosette of elliptic dark green leaves to 30cm in length, and a compact panicle of sweetly fragrant, salver-shaped white flowers to 9cm in length in summer
N. langsdorffii is a robust annual with sticky, oval leaves to 25cm long forming a basal rosette, and slender panicles of nodding, light green, long-tubed, bell-shaped flowers to 5cm long, opening in the evenings in summer
'Lime Green' is an erect annual to 60cm, with oval leaves and salver-shaped, lime-green flowers to 5cm across in summer
Domino Series are erect annuals to 30cm, with large, ovate leaves and lax racemes of fragrant, salver-shaped flowers to 5cm across, in shades of pink, light crimson, purple, salmon-pink, sometimes with white eyes
Listed in the RHS Plant Finder
This plant is listed in the RHS Plant Finder book. At present our information about this plant is limited to a list of the nurseries that supply it. In time we will be adding more details including a description, growing information, advice and photographs.
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