Angelica purpurascens

RHS Plant Profile
purple angelica

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Synonyms

Xanthogalum purpurascens

Plants for pollinators
Annual Biennial Herbaceous Perennial
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A robust biennial or short-lived perennial about 1.8-2m tall, with mid-green glaucous stems and bold textural leaves, that are much divided and composed of diamond-shaped leaflets, and branched, glaucous stems bearing umbels to 12-15 cm across of light acid-green flowers in late summer and early autumn

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1.5-2.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or North–facing or South–facing or West–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
Apiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming, Columnar upright
Genus
Angelica are large biennials or herbaceous perennials, some monocarpic, with pinnately or palmately divided leaves and small white or purple flowers in large umbels
Name Status
Correct
Plant Range
Tureky, Caucasus, Iran

How to Grow

Cultivation

The ideal position is a moist, loamy soil in full sun or partial shade but it can tolerate drier conditions if mulched

Propagation

Propagate by seed sown in a cold frame with good light, as soon as ripe. Exposure to light is required for germination. Move seedlings when young as older plants resent disturbance

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Sub-tropical
  • Wildlife gardens

Pruning

Cut back after flowering

Pests

May be susceptible to slugs, snails, leaf miners and aphids

Diseases

May be susceptible to powdery mildews