Rosa glauca

13 Jul

Rosa glauca (30/06/2012, Kew Gardens, London)

Rosa glauca (30/06/2012, Kew Gardens, London)

Position: Full sun to light shade

Flowering period: Summer

Soil: Moist, well drained

Eventual Height: 2m

Eventual Spread: 2m

Hardiness: 2a, 2b, 3, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b

Family: Rosaceae

Rosa glauca is a vigorous, deciduous, medium sized shrub with an arching habit. Its blue/ green to purplish leaves are covered with a waxy bloom, are odd pinnate, up to 10cm long with up to 9 leaflets. Its stems or canes are red/ green  and sparsely thorny. Its pink flowers are single, contain five petals, are up to 4cm across, have a white centre with yellow stamen. Its fruit is a red hip which is 15mm across.

Rosa glauca Flower (30/06/2012, Kew Gardens, London)

Rosa glauca Flower (30/06/2012, Kew Gardens, London)

Rosa glauca, commonly known as the Red-Leaved Rose or the Redleaf Rose, is native to mountainous regions of central and southern Europe. Rosa glauca is synonymous with Rosa rubrifolia.

The etymological root of the binomial name Rosa is from the ancient Latin name for the rose. Glauca is from the Latin meaning ‘blueish grey’, in reference to the colour of the leaves of this plant.

Rosa glauca Fruit (18/07/2015, Kew Gardens, London)

Rosa glauca Fruit (18/07/2015, Kew Gardens, London)

The landscape architect may find  Rosa glauca useful as an effective informal barrier hedge. Strong winds will dislodge its petals.

Ecologically, Rosa glauca is attractive to pollinating insects. Its hips are attractive to birds during the winter months.

The Royal Horticultural Society has given Rosa glauca their prestigious Award of Garden Merit in 1993.

Rosa glauca Leaf (15/08/2015, Kew Gardens, London)

Rosa glauca Leaf (15/08/2015, Kew Gardens, London)

Rosa glauca  prefers moist, humus rich, well-drained soils. It tolerates most pH of soil.

Rosa glauca requires little maintenance. Pruning should be carried out once flowering is complete. Obviously if pruning is carried out after flowering no hips will follow.

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