Aquilegia Langdon's Rainbow hybrids

RHS Plant Profile
columbine Langdon's Rainbow hybrids

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Synonyms

Aquilegia 'Langdon's Rainbow'

Plants for pollinators
Herbaceous Perennial

Vigorous, but short-lived, clump-forming perennials to 75cm, with bluish-green leaves divided into rounded leaflets. Large flowers, 9cm across, with long spurs, appear from late spring to early summer, in a wide range of colours including white, yellow and shades of red, pink and purple

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Aquilegia are clump-forming herbaceous perennials with long-stalked, ternately divided basal leaves and erect, leafy stems bearing bell-shaped flowers with spreading, coloured sepals and petals with spurs, on branched stems
Name Status
Unresolved

How to Grow

Cultivation

Grow in fertile, moist but well-drained soil in full sun or partial shade. See aquilegia cultivation

Propagation

Propagate by seed; home-saved seed may not come true. Established plants can also be propagated by division in spring, but they dislike root disturbance and will be slow to recover

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

To encourage more flowers (and prevent self-seeding) deadhead regularly. Cut back foliage after flowering to promote fresh growth in late summer

Pests

May be susceptible to aphids, caterpillars, leaf miners, aquilegia gall midge and aquilegia sawfly

Diseases

May be susceptible to powdery mildews and aquilegia downy mildew