Dryas × suendermannii

RHS Plant Profile
Suendermann dryad

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D x suendermannii is a creeping evergreen shrub forming a wide mat to 15cm tall, with glossy, oak-like leaves to 2cm long. Flowers nodding, cream from yellowish buds, not opening widely, in late spring, followed by attractive, silky seed-heads

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
Up to 10 cm

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
North–facing or West–facing or East–facing or South–facing
Exposure
Exposed
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
Rosaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus
Dryas are prostrate evergreen shrubs with small, leathery dark green leaves and solitary, usually 8-petalled flowers followed by attractive fluffy seed-heads
Name Status
Correct

How to Grow

Cultivation

Easily cultivated carpeting plant, suitable for a rock garden or border edge. Prefers well-drained, humus rich, preferably gritty soil

Propagation

Propagate by seed, sown in containers in a cold frame as soon as ripe, or softwood cuttings in early summer

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Gravel garden
  • Banks and slopes

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free