Philadelphus maculatus 'Sweet Clare'

RHS Plant Profile
mock orange 'Sweet Clare'

Save a plant

Where do you want to save Philadelphus maculatus 'Sweet Clare'?

Plants I own
Wishlist
Go to My Plants
mock orange 'Sweet Clare' John Fielding
mock orange 'Sweet Clare' Duncan Coombs
Award of Garden Merit
Shrubs
Thank you - your purchase supports our charity work Buy this from RHS Plants Shop
Buy online from £24.75Buy this from Plant Nurseries
13 Suppliers

A vigorous, arching shrub, with widely spaced, slender, silver-green leaves and highly scented, downward facing, white flowers with a crimson blotch at the base of each petal, produced from early summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or 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)
H5

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Hydrangeaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Philadelphus are deciduous shrubs with simple, opposite leaves and bowl-shaped, usually fragrant flowers which may be solitary or in small panicles or racemes in summer
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, well-drained soil in a sheltered position in full sun or partial shade

Propagation

Propagate by softwood or hardwood cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Coastal
  • Patio and container plants
  • Low Maintenance
  • Flower borders and beds
  • Wall side borders

Pruning

Pruning group 2

Pests

May be susceptible to aphids

Diseases

May be susceptible to honey fungus (rarely) and powdery mildews