Nepeta racemosa 'Walker's Low'

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catmint 'Walker's Low'

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catmint 'Walker's Low' RHS / Joanna Kossak
catmint 'Walker's Low' RHS
catmint 'Walker's Low' RHS

Synonyms

Nepeta × faassenii 'Walker's Low'

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Herbaceous Perennial
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Has attractive colouring, the flowers being quite a deep blue-mauve, the leaves silvery and aromatic, and the stems dark. Comes into flower in early summer, and will continue into autumn if flushes are deadheaded. It is variable in habit according to growing conditions, and can make a tight mound to 60cm in height in poor soils, or in richer ground grow to 90cm and be more sprawling

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
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
Accepted

How to Grow

Cultivation

Grow in any well-drained soil in full sun or partial shade

Propagation

Propagate by division in spring or autumn. Propagate by softwood cuttings in early summer

Suggested planting locations and garden types

  • Rock garden
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Mediterranean climate plants
  • Flower borders and beds
  • Ground cover

Pruning

Trim after flowering to keep plants compact and to encourage a second flowering

Pests

May be susceptible to slug damage on young growth

Diseases

May be susceptible to powdery mildews in a dry summer