Colletia ulicina

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An evergreen shrub to 2.5m tall, with arching stems covered entirely with green, leaf-like thorns. Throughout summer, tubular red flowers are produced in abundance along the stems

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1-1.5 metres
Max Height
1.5-2.5 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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rhamnaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Colletia are spiny deciduous shrubs with sparse leaves and small, fragrant, tubular flowers in late summer or autumn
Name Status
Correct
Plant Range
Chile

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun to partial shade

Propagation

Propagate by seed sown as soon as ripe

Suggested planting locations and garden types

  • Architectural
  • Rock garden
  • Flower borders and beds
  • Wall side borders

Pruning

See pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free