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Roses

Rosa sericea subsp. omeiensis f. pteracantha (S)

winged thorn rose

Large, vigorous rose, about 3m tall, with strong bristly stems bearing large hooked, translucent crimson thorns, especially noticable on young and vigorous stems, when backlit by the sun. Bright green ferny leaves. Small white single blooms to 5cm across with yellow stamens, are produced along the branches in late spring and early summer, followed by bright orange-red, pear-shaped fruit (hips); c. 1890

Synonyms

Rosa sericea 'Pteracantha'
Rosa omeiensis var. pteracantha
see moreRosa sericea var. pteracantha
Rosa omeiensis f. pteracantha

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Ultimate height

2.5–4 metres

Time to ultimate height

5–10 years

Ultimate spread

1.5–2.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

West–facing or South–facing or East–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)

Botanical details

Family: Rosaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy, Spreading branched
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: Correct
Horticultural Group: Shrub roses are large shrubs with usually thorny stems bearing large leaves and fragrant, single to double flowers in clusters in summer, and usually also in autumn
Plant range: Himalaya, W China

How to grow

Cultivation

Suited to a wide range of situations but best in an open site in full sun, where the ruby-red young thorns can be appreciated. Grow in moderately fertile, humus-rich, moist but well-drained soil - see rose cultivation. Tolerant of poor soil and shade

Propagation

Propagate by hardwood cuttings in late summer or autumn or by chip budding in summer. Propagate by seed; species roses can be propagated by seed but need stratification and germination may take two seasons

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Wildlife gardens
Hedging and screens

Pruning

See pruning group 20 (shrub roses); spring flowering, prune immediatley after flowers have faded, but do not deadhead flowers if fruit (hips) are needed

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

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