Nepeta subsessilis 'Blue Panther'

RHS Plant Profile
catmint 'Blue Panther'

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catmint 'Blue Panther' RHS

Synonyms

Nepeta 'Blue Panther'

Plants for pollinators
Herbaceous Perennial

A compact, upright deciduous perennial with a bushy habit and aromatic green leaves, serrated at the edges. Upright stems produce pale blue flowers from summer through until the autumn

Position

Full sun

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
Aspect
East–facing or South–facing or West–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)
H6

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, Clump forming
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

Propagation

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

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Gravel garden
  • Rock garden
  • Wildlife gardens
  • Flower borders and beds
  • Garden edging

Pruning

Trim after flowering to keep plants compact

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to powdery mildews in dry summers