Syringa vulgaris 'Michel Buchner' (d)

RHS Plant Profile
lilac 'Michel Buchner'

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A large, bushy, deciduous shrub which can also be grown as a tree. Leaves are mid-green and heart shaped. Large panicles of double, white-centred, rose-lilac flowers appear in spring

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
10–20 years
Max Spread
2.5-4 metres
Max Height
4-8 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–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
Oleaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Syringa can be deciduous shrubs or trees, with simple, entire or rarely pinnate leaves and conical panicles of small, very fragrant, 4-lobed tubular flowers in late spring or early summer
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, humus-rich, neutral to alkaline soil in full sun. mulch regularly. deadhead newly planted lilacs before fruit forms. See lilac or large-flowered lilac for further advice

Propagation

Propagate by softwood cuttings or layering in early summer. Graft in winter or chip bud in midsummer

Suggested planting locations and garden types

  • Cottage and informal garden
  • City and courtyard gardens

Pruning

pruning group 1. Will tolerate hard renovation pruning

Pests

May be susceptible leaf-mining moths, thrips and willow scale

Diseases

May be susceptible to lilac blight, honey fungus