Shrub · Rosaceae
Rugosa Rose
Rosa rugosa
Tough enough for salt spray and bitter cold, the rugosa rose blooms all summer and ends it draped in red hips.
Full sun
Every 7–14 days
USDA 2–7
4–6 ft · 1.2–1.8 m
Overview
The rugosa rose is the workhorse of the rose world, a shrub that asks for almost nothing and gives back fragrant flowers and a heavy crop of bright hips. It came from the coasts of eastern Asia and took to the seaside so well that gardeners call it the beach rose or saltspray rose. Wrinkled, leathery leaves and stems thick with prickles set it apart from the fussier garden roses at a glance.
What makes it stand out is sheer toughness. It rides out salt spray, drought, and brutal cold down to its low limits, holds banks and dunes with its spreading roots, and laughs off most of the diseases that plague other roses. The single and double blooms run from white through pink to a deep reddish purple, and they carry a scent strong enough to drift across a yard.
That same vigor has a cost. The plant suckers hard and spreads into dense thickets, and along parts of the North American coast it has jumped the garden fence to crowd out native plants. Grown where you can keep it in check, though, it is one of the easiest roses you can plant, and the red hips that follow the flowers are edible and loaded with vitamin C.
Care
The short version: full sun and almost any soil, even sandy or salty ground. Water deeply while it settles in, then let it fend for itself, feed it little, and prune in late winter to shape it and rein in the suckers.
Light
Plant in full sun for the heaviest bloom and the best disease resistance. The shrub will take partial shade, but shade and crowding leave it damp and more prone to spotted leaves.
Water
Water deeply and regularly while the plant is settling in, then ease off, because a mature rugosa is drought tolerant and shrugs off dry spells. Water at the base in the morning rather than over the top, since wet foliage invites disease.
Soil
This rose grows in almost anything, from sandy and gravelly coastal ground to clay and poor soils. It leans toward moist, well-drained, slightly acidic loam, and a pH anywhere from 6.0 to 7.5 suits it fine.
Temperature
Few shrubs match its range, from a punishing -51°F to 86°F (-46°C to 30°C). That cold hardiness is what lets it thrive in the far north where most roses give up.
Humidity
Ordinary outdoor humidity is all it needs, so there is no number to chase. Air movement matters more than the moisture in the air, since crowded, still conditions are what let leaf diseases settle in.
Feeding
Go light here. The rugosa thrives in lean soil and needs very little, so a single feed of balanced or rose fertilizer in spring is plenty, and too much feeding does more harm than good.
Pruning
Prune in late winter to early spring to shape the shrub and cut out dead or weak canes. Pull or dig the suckers at the same time, or the plant will march steadily outward.
Repotting
A rugosa is rarely grown in a pot and seldom needs repotting. If you do keep one in a container, move it up when roots circle the base or push out the drainage holes, or when it wilts soon after every watering.
Size & spacing
Expect a rounded shrub of 4 to 6 feet (120 to 180 cm) in both height and spread. Give it that much room to stretch, and remember the roots will try to claim still more through their suckers.
When to plant
Set a rugosa rose out in spring or fall and it takes hold fast. The flowers open in late spring and keep coming through summer, and by late summer the showy red hips ripen and hang on well into winter.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Spring or fall
- Harvest: Blooms late May to July with intermittent rebloom until frost; showy red-orange hips ripen August into winter.
Hardiness
USDA hardiness zones: 2–7
Temperature: down to -46°C
Troubleshooting
Most rugosa trouble shows up as wandering suckers or as spots on the leaves, and the plant's toughness means real problems are few. Read the early signs below and you can step in before a small issue spreads or the shrub takes over the bed.
Distorted red broom of shoots bristling with thorns
A tight broom of warped red shoots and odd, extra prickles points to rose rosette disease, a virus carried by tiny eriophyid mites with no cure once a plant is infected. Dig out and destroy any affected plant right away to protect the roses around it. Lesser cases of clustered, stressed growth can trace to aphids, scale, thrips, or spider mites, which a strong jet of water or removal of the worst canes will knock back.
Fix:
- Promptly remove and destroy plants showing rose rosette symptoms to protect nearby roses
- Treat heavy insect infestations with a strong water spray or appropriate control
- Remove and dispose of badly infested canes
New shoots popping up far from the main plant
This is the rugosa rose's natural suckering habit, and it is the trait that lets it form a thicket fast. Shallow roots send up fresh canes well away from the crown, so dig and cut the suckers as they show, or plant inside a root barrier from the start. Near dunes or wild ground, a tidy named cultivar is the safer choice.
Fix:
- Cut and dig out suckers as they appear
- Install a root barrier or plant in a contained bed
- Choose a better-behaved named cultivar instead of the straight species
Spotted, blistered leaves dropping early
Rugosa shrugs off most rose diseases, but rust, black spot, and powdery mildew can still take hold in damp, shaded, crowded spots. Pull off the marked leaves and rake up fallen debris so the spores have nowhere to overwinter. Thin the canes for airflow and water at the base in the morning, never over the top.
Fix:
- Remove and dispose of affected leaves and fallen debris
- Improve air circulation by thinning canes
- Water at the base in the morning rather than overhead
Toxicity
Good news on this one. Every part of the rugosa rose is non-toxic to cats, dogs, horses, and people, and the hips are edible and full of vitamin C. The only hazard is physical, the sharp prickles that line every cane, so reach for gloves and not the vet's number.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
No toxic compound, so a curious cat that nibbles a petal or leaf is fine. The one thing to watch is the sharp prickles, which can scratch a paw or mouth.
Dogs None
Dogs can chew the leaves, flowers, or ripe hips without any poisoning risk. Keep them clear of the thorny canes, since a bristling stem is the only real hazard here.
Horses None
Horses graze rose foliage and hips with no ill effect. The dense prickles are the catch, so they can prick a soft muzzle reaching in.
Rabbits None
Rabbits browse rose leaves and stems safely, and the hips make a fine treat. Nothing in the plant is poisonous to them.
Livestock None
Cattle, goats, and sheep can graze the shrub without harm. The only drawback is the thorny canes, which deter browsing more than they injure.
Birds None
Birds love the red hips and spread the seed far and wide, which is part of how this rose turns invasive. Eating any part of the plant poses them no danger.
People None
The hips are edible and rich in vitamin C, used in teas, jams, and syrups, and the petals are edible too. Wear gloves around the canes, because the sharp prickles are the only thing that bites back.
Stems are densely covered in sharp, needle-like prickles that can cause scratches and puncture wounds; wear gloves and long sleeves when handling or pruning.
Varieties
Most of the rugosa roses sold are named cultivars, bred for a particular flower color, scent, or tidier habit. These are the ones you are most likely to meet.
Hansa
A vigorous grower whose double, reddish-purple flowers carry a strong scent and give way to large red hips.
Blanc Double de Coubert
This one earns its place with semi-double, pure white blooms that are intensely fragrant on a tough, disease-resistant shrub.
Frau Dagmar Hastrup
A compact choice with single silvery-pink flowers that ripen into a heavy crop of large red hips.
F.J. Grootendorst
Its small red flowers come fringed like a carnation and cluster together in nearly nonstop bloom.
How to propagate
A rugosa rose is easy to multiply, whether you lift one of its many suckers, root a summer cutting, or grow it the slow way from the seed inside its hips.
DivisionEasy
Late winter to early spring or fall · 1 to 2 seasons
Since rugosa grows on its own roots and suckers so freely, the simplest way to multiply it is to sever a rooted sucker from the parent and replant it in late winter to early spring or in fall. Give the new plant a season or two to settle in and it carries on as a copy of the original.
Stem cuttingsModerate
Summer (softwood or semi-hardwood) · Several weeks to root, then 1 to 2 seasons to establish
Nurseries lean on cuttings, taken in summer from healthy current-season growth as softwood or semi-hardwood. The cuttings root over several weeks and then need a season or two to fill out into a sturdy shrub.
SeedModerate
Sow cleaned seed from ripe hips in fall, or stratify and sow in spring · 1 or more years
Each ripe hip holds 20 to 120 seeds, so seed is plentiful, but it asks for patience. Sow cleaned seed in fall or cold-stratify it and sow in spring, then expect slow, uneven germination and a year or more before the seedlings amount to much.
Myths
The rugosa rose is a well-behaved native you can plant anywhere along the coast.
It comes from eastern Asia, not North America, and it has escaped gardens to become invasive along the coasts of New England, Virginia, and parts of Canada. There it builds dense thickets that crowd out the native dune plants, which is why it sits on Maine's advisory list and is best kept away from wild ground.
Because roses are non-toxic, the whole plant is completely safe to handle.
The leaves, flowers, and hips really are safe to eat and harmless to pets, so the toxicity worry is unfounded. But the canes are packed with sharp, needle-like prickles that scratch and puncture, so gloves and long sleeves are the sensible move when you prune.