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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
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Search by plant name, key attributes or both to find plant details and a list of
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.
© RHS 2001
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Other common names
giant blue hosta
Hosta glauca Hosta 'Blue Angel' misapplied
Hosta 'Elegans' Hosta 'Robusta' (fortunei)
Hosta are clump-forming herbaceous perennials with simple, ovate or lance-shaped leaves, often attractively coloured or variegated, and erect racemes of nodding, funnel or bell-shaped flowers in early summer
H. sieboldiana var. elegans is a perennial forming a large clump of puckered, broad, blue-grey leaves to 20-30cm in length. Lilac-tinged white, bell-shaped flowers in dense racemes on stems to 75cm
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect East-facing or West-facing or North-facing
MoistureMoist but well-drained
Time to ultimate height
Grow in fertile, moist but well-drained soil in part shade with shelter from cold, dry winds. See hosta cultivation
Propagate by division in late summer or early spring
Suggested planting locations and garden types
Flower borders and beds Cut Flowers Ground Cover Underplanting of Roses and Shrubs
Cottage & Informal Garden City & Courtyard Gardens Patio & Container Plants
Pruning Remove spent foliage as required and clear up dead foliage when it dies back at the end of the growing season
Pests Plants in pots may be susceptible to vine weevil. This cultivar is said to be resistant to slugs
May be subject to a virus
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
giant blue hosta
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