Ageratina ligustrina

RHS Plant Profile
privet-leaved ageratina

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privet-leaved ageratina RHS
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Other common names

privet-leaved eupatorium

Synonyms

Eupatorium ligustrinum, Eupatorium ligustrinum f. weinmannianum, Eupatorium micranthum, Eupatorium weinmannianum

Conservatory Greenhouse Shrubs Trees
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A compact medium-sized evergreen shrub (larger in a sheltered position), with light green, ovate leaves and large flat heads of small white, slightly fragrant flowers

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

2.5-4 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
10–20 years
Max Spread
2.5-4 metres
Max Height
2.5-4 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
West–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)
H3

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Ageratina are shrubs or herbaceous perennials with opposite leaves and small tubular flowers borne in corymbs
Name Status
Correct
Plant Range
Mexico to Costa Rica

How to Grow

Cultivation

Grow in well-drained soil in full sun or light shade with protection from cold, drying winds. Protect roots with a dry winter mulch

Propagation

Root softwood cuttings in spring

Suggested planting locations and garden types

  • Coastal
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
  • Wall side borders

Pruning

pruning group 8

Pests

slugs and aphids may be troublesome

Diseases

Generally disease-free