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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.
'Longicaudatum' is an evergreen fern to 30cm, with creeping rhizome and pinnately lobed fronds which taper gradually to a long, slender point
P. vulgare is an evergreen terrestrial or epiphytic fern, to 30cm tall, with creeping rhizomes and lance-shaped to oblong, pinnate or very deeply pinnatifid dark green fronds
'Cambricum' is a semi-evergreen fern with creeping rhizome, the broadly ovate fronds pinnate with deeply laciniately-toothed pinnae; new fronds appear in late summer
'Grandiceps Fox' is a creeping deciduous fern with narrow, pinnate fronds to 40cm long, persisting into winter, with large branching crests at the frond apex and the tips of the pinnae
'Cornubiense' is a vigorous evergreen fern with a creeping rhizome bearing broadly ovate, bipinnatifid fronds with lobed segments, mixed with occasional simply pinnate ones
Last-listed in the RHS Plant Finder in 2009
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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Listed in the RHS Plant Finder
Last-listed in the RHS Plant Finder in 2003
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