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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.
'Goring Silver' is a trailing perennial grown as an annual, with rounded, grey-white leaves; insignificant flowers in summer are best removed as they appear
'Variegatum' is a trailing evergreen sub-shrub to 30cm, with broadly ovate grey-green leaves margined with cream, and small, dull cream flower-heads on erect stems
H. petiolare is a trailing sub-shrub to 45cm in height, with white stems bearing broadly ovate, grey-hairy, evergreen leaves, and small dull white flowerheads on erect stems in late summer and autumn
'Limelight' is a trailing evergreen shrub to 45cm in height, with long stems bearing broadly ovate to rounded, lime-green, somewhat woolly leaves and lax sprays of insignificant, dull cream flower-heads
Last-listed in the RHS Plant Finder in 2006
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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