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Herbaceous Perennial

Nepeta subsessilis Nimbus ('Yanim')

catmint [Nimbus]

A compact perennial to 60cm tall and 30cm wide with upright stems bearing pale to mid-green, aromatic, bluntly-toothed leaves. Whorls of violet-blue flowers to 2.5cm long are borne on long spikes from summer into autumn

Synonyms

Nepeta subsessilis 'Yanim'
Nepeta 'Nimbus'

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

North–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)

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: Trade

How to grow

Cultivation

Prefers moist but well-drained soil in partial shade

Propagation

Divide in spring or autumn or take softwood cuttings in early summer

Suggested planting locations and garden types

Coastal
City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Garden edging
Flower borders and beds

Pruning

Deadheading plants regularly will prolong flowering

Pests

May be susceptible to slug and snail damage on young growth

Diseases

May be susceptible to powdery mildews in dry summers

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