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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.
When using this search
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:
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Other common names
rose mallow 'Oiseau Bleu' rose mallow 'Blue Bird'
Hibiscus syriacus BLUE BIRD Hibiscus syriacus 'Blue Bird'
Hibiscus can be deciduous or evergreen shrubs, trees, annuals or perennials, with simple or palmately lobed leaves and large, funnel-shaped flowers over a long flowering season
Malvaceae / Malvaceae
'Oiseau Bleu' is a medium-sized, upright deciduous shrub with lobed, dark green leaves. Flowers single, violet-blue with a maroon centre, to 8cm in width, in late summer and autumn
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
Aspect South-facing or West-facing
MoistureWell-drained, Moist but well-drained
SoilChalk, Clay, Sand, Loam
Grow in a moist but well-drained soil in a sheltered position in full sun
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
City & Courtyard Gardens
Pruning group 1
Generally pest free
Powdery mildews may be a problem
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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