Abies borisii-regis 'Spring Delight'

RHS Plant Profile
King boris fir 'Spring Delight'

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An evergreen conifer with luminous, lime-green young foliage that contrasts with dark green colour of older growth. Needles are fairly thin, 1.5-3cm long with two greyish lines underside. It is a medium-sized conifer with approximate growth rate of 30cm per year. 10 year specimen can reach height of 3 metres and width of 1.5m. Crown is narrowly conical, broadening with age.

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

4-8 metres

Size

Time to Maturity
10–20 years
Max Spread
4-8 metres
Max Height
Higher than 12 metres

Growing Conditions

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

Position

Full sun
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or 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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Pinaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus
Abies are evergreen conifers, often very tall, with whorled branches bearing flattened, linear leaves, often whitish beneath, and on the upper branches, large cones which break up whilst attached to the tree
Name Status
Accepted

How to Grow

Cultivation

Grows best in deep, slightly acidic, moist but well-drained soils in cooler climates. See conifer cultivation

Propagation

Propagate by seed or by grafting.

Suggested planting locations and garden types

  • Architectural
  • City and courtyard gardens

Pruning

No pruning required

Pests

May be susceptible to adelgids and aphids

Diseases

Generally disease-free, but may be susceptible to honey fungus.