Nepeta grandiflora 'Pool Bank'

RHS Plant Profile

catmint 'Pool Bank'

RHS

Synonyms

Nepeta 'Pool Bank'

Herbaceous Perennial

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A clump-forming, compact, bushy deciduous herbaceous perennial with aromatic grey-green foliage and upright spikes of lavender blue-purple flowers appearing from midsummer until the autumn. Cats are attracted to this plant

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: 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 softwood cuttings in early summer or propagate by semi-ripe cuttings in early autumn or by division

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Coastal
Mediterranean climate plants
Wildlife gardens
Flower borders and beds
Underplanting of roses and shrubs

Pruning

Trim after flowering to keep the plant bushy and compact

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to powdery mildews in dry summers