Side by side

Dog rose or Japanese rose? How to tell them apart

Rosa canina · Rosa rugosa

You can tell a dog rose by its long, arching stems with hooked prickles, its hairless, unwrinkled leaflets and its elongated hips; a Japanese rose is a dense, low shrub covered in fine prickles, with deeply wrinkled leaves, large flowers and fat, flattened hips.

Feel the leaf: thick, glossy and deeply wrinkled on the Japanese rose, thin and smooth on the dog rose. The Japanese rose is densely covered in fine prickles and bristles, the dog rose has fewer, but strongly hooked prickles.

Dog rose (Rosa canina)

Photo: Roberta F., CC BY-SA 3.0 · source

Dog rose Rosa canina

Japanese rose (Rosa rugosa)

Photo: Jürgen Howaldt, CC BY-SA 2.0 de · source

Japanese rose Rosa rugosa

Dog rose and Japanese rose side by side
Dog roseJapanese rose
LeavesAlternate, pinnate with 5–7 toothed leaflets; stipules at the base.Alternate, pinnate with 5–9 thick, deeply wrinkled, glossy leaflets; yellow autumn colour.
FloweringSingle, pale pink to white flowers with five petals, June (June).Large (6–9 cm), fragrant, pink, purplish-red or white flowers from June to September (June–September).
FruitRed rose hips, rich in vitamin C (tea, jam); the hairs inside are itchy.Large, flattened, tomato-red hips (2–3 cm), rich in vitamin C.
BarkGreen to red stems with hooked prickles.Stems densely covered in fine prickles and bristles.
Shape and heightShrub, 2–4 mShrub, 1–2 m
SiteSun or partial shade, any garden soil, normalFull sun, any garden soil, dry
Native to BelgiumYesNo, naturalised
Good for bees, butterflies and birdsYes, for bees, butterflies and birdsYes, for bees
Poisonous to people and petsNot known to be poisonousNot known to be poisonous
Pruning monthsFebruary–MarchFebruary–March

The best feature in each season

Spring
Both come into leaf in April. The dog rose sends out long shoots that scramble over other shrubs; the Japanese rose stays a dense, low shrub of 1–2 m.
Summer
The dog rose flowers in June, for a few weeks, with single pale pink to white flowers; the Japanese rose flowers from June to September with large, scented pink, purple-red or white flowers.
Autumn
The hips are very different: elongated and orange-red on the dog rose, large, flattened and tomato red (2–3 cm) on the Japanese rose. The leaves of the Japanese rose turn yellow.
Winter
Hips hang on for a long time, as food for blackbirds, thrushes and mice. The stems show the difference: densely covered in fine prickles and bristles on the Japanese rose, with scattered, strong hooks on the dog rose.

Where do they grow?

The dog rose is native and grows everywhere in hedges, copses, woodland edges and scrub. The Japanese rose comes from East Asia; it was planted as a hedge and in the dunes, but on the coast it now crowds out the native dune plants.

Which one for your garden?

  • Choose the native dog rose for a natural hedge: flowers for bees, hips for birds and a food plant for many insects. It needs room, because its stems grow 2–4 m long.
  • The Japanese rose makes a sturdy, easy hedge, but on the coast it is an invasive species: do not plant it near the dunes or nature reserves, and never dump clippings in the countryside.

Did you know? Children once made itching powder from the hairs around the seeds in rose hips.

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