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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.
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Other common names hydrangea 'Mariesii Perfecta'
Synonyms Hydrangea 'Blue Wave' Hydrangea macrophylla 'Blue Wave'
Family Hydrangeaceae
Genus Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour
Horticultural Group Lace cap hydrangeas are compact deciduous shrubs with broadly ovate leaves and flat or gently domed clusters of small fertile flowers, with showy sterile flowers around the margin
Details 'Mariesii Perfecta' is a small deciduous shrub with rather glossy, light green leaves. Lace-cap flower-heads with blue fertile flowers surrounded by large, blue or pink ray florets
Foliage Deciduous
Habit Bushy
Toxicity May cause mild stomach upset if ingested, contact with foliage may aggravate skin allergies
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H5
Full Sun
Partial Shade
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
Clay
Sand
Loam
MoistureWell-drained, Moist but well-drained
SoilClay, Sand, Loam
pHNeutral, Acid
Ultimate height 1-1.5 metres
Ultimate spread 1-1.5 metres
Time to ultimate height 5-10 years
Cultivation Grow in moist but well-drained soil in sun or partial shade
Propagation Propagate by softwood cuttings
Suggested planting locations and garden types Flower borders and beds Low Maintenance City & Courtyard Gardens Patio & Container Plants Cottage & Informal Garden
Pruning Pruning group 1
Pests Can get aphids, capsid bug, glasshouse red spider mite and hydrangea scale
Diseases Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
hydrangea 'Mariesii Perfecta'
Buy from £16.99 at the RHS Plants Shop
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