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Rosa Margaret Merril ('Harkuly') (F)

rose [Margaret Merril]

Compact, upright rose about 75cm tall, with matt, dark green foliage, and bearing small clusters of very fragrant, double white, blush-tinted blooms 8-10cm across with pronounced pinkish-golden stamens, almost continuously in flower from summer to autumn

Synonyms
Rosa 'Harkuly'
Rosa 'Margaret Merril'
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink White Green
Autumn Pink White Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Rosaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamentl - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus

Rosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing compound pinnate leaves and solitary or clustered flowers. Flowers may be followed by showy red or purple fruits in some varieties.

Name status

Trade

Horticultural Group
Floribunda or Cluster-flowered bush roses are bushy, upright shrubs with dark, glossy, foliage and single or double, sometimes fragrant flowers in small or large clusters from summer to autumn

How to grow

Cultivation

Grow in full sun with fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring and a balanced fertiliser again in early summer. See rose cultivation. Tolerant of poor soil, suitable for hedging and good for cut flowers

Propagation

Propagate by softwood cuttings in early to mid spring, hardwood cuttings in late summer to autumn or by chip budding in summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • City and courtyard gardens
  • Hedging and screens
  • Cut flowers
  • Flower borders and beds
Pruning

Pruning group 16 (floribunda and hybrid tea roses)

Pests

May be susceptible to aphids, rose leafhopper, glasshouse red spider mite, scale insects, caterpillars, large rose sawfly, rose slugworm sawfly and rose leaf-rolling sawfly. Deer and rabbits can cause damage

Diseases

May be susceptible to rose black spot, rose rust, replant disease, rose dieback, and rose powdery mildew and sometimes honey fungus. May also be susceptible to disorders rose blindness and flower balling

Get involved

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