Ajuga pyramidalis 'Metallica Crispa'

RHS Plant Profile

pyramidal bugle 'Metallica Crispa'

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Synonyms

Ajuga metallica 'Crispa'
Ajuga metallica var. crispa

Herbaceous Perennial

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A semi-evergreen low growing, spreading perennial with purple-bronze tinted green crinkled foliage. From mid-spring to mid-summer, it bears spikes of small dark blue flowers.

Position

Full shade, Full sun, Partial shade

Soil Types

Loam, Clay, Sand, Chalk

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Clay Sand Chalk

Moisture: Moist but well–drained or Well–drained
pH: Neutral or Alkaline or Acid

Position

Full shade Full sun Partial shade

Aspect: West–facing or East–facing or North–facing or South–facing
Exposure: 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

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Matforming, Spreading branched
Genus: Ajuga are mostly spreading, rhizomatous perennials with attractive evergreen foliage, rarely annuals, with whorled two-lipped flowers forming short spikes
Name Status: Accepted

How to Grow

Cultivation

Will grow in most conditions but at its best in moist but free draining soil in partial shade.

Propagation

Propagate by division or softwood cuttings

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Low Maintenance
Underplanting of roses and shrubs
Ground cover
Garden edging
Flower borders and beds
Banks and slopes

Pruning

No pruning required but can trim back if it outgrows space.

Pests

May be susceptible to Thrips

Diseases

Generally disease-free