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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
While we update our systems with the new hardiness ratings you may still see old
hardiness ratings in your search results. These are denoted as 'Old'.
For full details of the hardiness ratings see
AGM plants have been through a rigorous trial and assessment programme. They are:
'Empress of Ireland' is a large-flowered trumpet daffodil to 40cm in height, with white flowers up to 11cm in width, the perianth segments broad and overlapping, the trumpet narrow, flaring widely
N. asturiensis is a dwarf trumpet daffodil to 10cm in height, with grey-green, channeled leaves and solitary light yellow flowers 3-4cm in width, with narrow, twisted perianth segments
N. bulbocodium is a dwarf bulbous perennial to 15cm in height, with slender, dark green leaves and golden-yellow flowers with large, funnel-shaped trumpets and very narrow perianth segments
N. jonquilla is a bulbous perennial to 30cm in height, with long slender leaves and clusters of very fragrant, small-cupped, deep yellow flowers 3cm in width opening in late spring
N. pseudonarcissus is a small trumpet daffodil up to 35cm in height, with usually glaucous foliage and flowers 4-6cm in width, with deep yellow trumpet and pale yellow perianth segments
N. cyclamineus is a vigorous bulbous perennial to 20cm in height, with narrow, rich green leaves and bright yellow flowers with narrow, reflexed perianth segments and slender trumpets
N. pseudonarcissus subsp. pseudonarcissus is a bulbous perennial to 30cm, with narrowly strap-shaped leaves and flowers with bright yellow trumpets and paler yellow perianth segments
N. triandrus is a dwarf bulbous perennial with narrow dark green leaves and up to 6 nodding, pale creamy-yellow flowers 4-6cm in width, with reflexed perianth segments, on stems to 30cm in height
'Gay Kybo' is a bulbous perennial to 45cm in height, with strap-shaped leaves and neat, double, creamy-white flowers 10cm in width, the inner segments shorter, deep orange
'Stint' grows to 35cm tall, with stems bearing up to three nodding, flowers with slightly reflexed, lemon-yellow perianth segments and a slightly deeper yellow cup
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