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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 catmint 'Bramdean'
Family Lamiaceae
Genus Nepeta can be annuals or, more commonly, perennials, with paired, usually aromatic leaves, and terminal spikes or panicles of 2-lipped, tubular flowers
Details 'Bramdean' is an upright perennial to 75cm tall, of loose, open habit, with oval, grey-green leaves to 10cm long, and long, lax spikes of deep indigo-blue flowers over a long period in summer
Foliage Deciduous
Habit Bushy
Fragrance Leaf
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6
Full Sun
Aspect South-facing or West-facing
Exposure Exposed or Sheltered
Loam
Sand
Chalk
MoistureWell-drained
SoilLoam, Sand, Chalk
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 0.1-0.5 metres
Time to ultimate height 2-5 years
Cultivation Grow in any well-drained soil in full sun
Propagation Divide in spring or autumn; take soft stem-tip cuttings in early summer or semi-ripe cuttings in early autumn
Suggested planting locations and garden types Flower borders and beds Wall-side Borders City & Courtyard Gardens Coastal Cottage & Informal Garden Gravel Garden
Pruning Trim after flowering to keep the plants compact and possibly induce another flush of flower
Pests Slugs and snails may damage young growth. Cats may find this plant attractive
Diseases Powdery mildews may be a problem in dry summers
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