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Herbaceous Perennial

Nepeta nervosa
  • RHS Plants for pollinators

prominently-veined catmint

N. nervosa is a bushy perennial to 60cm high forming a mound of unbranched, upright stems with aromatic, narrow, prominently-veined, green to grey-green leaves. Small, purple-blue flowers are borne in short, dense spikes to 15cm long from summer into early autumn

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Blue Purple Green Grey Silver
Autumn Blue Purple Green Grey Silver
Winter
Position
  • Full sun
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H7
Botanical details
Family
Lamiaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Nepeta can be annuals or, more commonly, perennials, with paired, usually aromatic leaves, and terminal spikes or panicles of 2-lipped, tubular flowers

Name status

Correct

Plant range
Kashmir

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How to grow

Cultivation

Grow in any well-drained soil in full sun

Propagation

Propagate by softwood cuttings in early summer or semi-ripe cuttings in early autumn or by division

Suggested planting locations and garden types
  • Coastal
  • Gravel garden
  • Cottage and informal garden
  • Patio and container plants
  • Mediterranean climate plants
  • Banks and slopes
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

Trim after flowering to keep plants compact

Pests

May be damaged by slugs and snails

Diseases

May be affected by powdery mildews in dry summers

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