Growli

Plant care

Hansa Rose (Rugosa Hansa) care

Rosa 'Hansa'

Also called Hansa Rose, Rugosa Hansa.

RHS H7USDA 3-9Pet-safeIndoor 1.5-2 m (5-6 ft) tall and roughly 1.2-1.5 m wide

Watering rhythm

Direct sun (at least 4-6 hours)

Water weekly while establishing; drought-tolerant once settled

Light

Direct sun (at least 4-6 hours)

Soil

Free-draining, even sandy or poor soil

Humidity

Outdoor ambient

Temp

-35 to 30°C

Pet safety

Pet-safe

Mature size

1.5-2 m (5-6 ft) tall and roughly 1.2-1.5 m wide

Care at a glance

Light

Most houseplants will scorch where hansa rose thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Best in full sun for maximum flowering and hip set, though it copes with light shade. As a rugosa it is unusually tolerant of exposed, windy and seaside sites. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for water weekly while establishing; drought-tolerant once settled for hansa rose, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Provide regular water in the first season. Established Hansa is markedly drought-resistant and salt-tolerant, making it a reliable choice for sandy soils and coastal banks.

Soil and pot

Hansa Rose grows best in free-draining, even sandy or poor soil. Rugosas dislike rich, heavy or limey ground; Hansa actually prefers leaner, slightly acidic, well-drained soil. Avoid waterlogging. It needs little improvement and resents being mollycoddled. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Hansa Rose sits happiest at around Outdoor ambient humidity and -35 to 30°C (-31 to 86°F). Fully hardy outdoor shrub requiring no humidity control. Its thick, rugose leaves resist the blackspot and mildew that plague glossier-leaved roses, even in damp coastal air. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed hansa rose sparingly. Feed only lightly; a spring mulch of compost is usually enough. Rugosas can suffer chlorosis on over-rich or alkaline soils, so avoid heavy fertilisers and lime. Excess nitrogen produces leaf at the expense of flower. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on hansa rose in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Suckering spreadOn its own roots Hansa suckers freely and can colonise an area. Remove unwanted suckers or site it where its spreading habit is welcome, such as a hedge.
  • Lime-induced chlorosisYellowing leaves with green veins on chalky or over-fed soils. Avoid lime and high-pH conditions; mulch with acidic organic matter and ease off feeding.
  • Floppy blooms in rainThe full double flowers can ball or droop after heavy rain. Plant in an open sunny spot so blooms dry quickly and weak stems are minimised.
  • Rose aphids on new shootsSoft spring growth attracts aphids. Usually controlled by predators on this robust plant; hose off heavy infestations rather than spraying.

Propagation

Easily propagated from suckers detached with roots, from hardwood cuttings in autumn (rugosas root readily), or by layering. Cuttings produce own-root plants that will, in turn, sucker. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Hansa Rose is pet-safe. ASPCA-listed as non-toxic to cats, dogs and horses (genus Rosa). Petals and the vitamin-rich hips are harmless if nibbled; the practical risk is the dense, prickly stems and bristles scratching pets. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Hansa Rose care — frequently asked questions

What is the common name for Rosa 'Hansa'?

Rosa 'Hansa' is most commonly called Hansa Rose, but it is also known as Hansa Rose, Rugosa Hansa. The names refer to the same species, so care instructions for Hansa Rose apply identically to anything sold as Rugosa Hansa.

How much light does hansa rose need?

Hansa Rose grows best in direct sun (at least 4-6 hours). Best in full sun for maximum flowering and hip set, though it copes with light shade. As a rugosa it is unusually tolerant of exposed, windy and seaside sites.

How often should I water hansa rose?

Water hansa rose water weekly while establishing; drought-tolerant once settled. Provide regular water in the first season. Established Hansa is markedly drought-resistant and salt-tolerant, making it a reliable choice for sandy soils and coastal banks. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is hansa rose toxic to cats and dogs?

Hansa Rose is pet-safe. ASPCA-listed as non-toxic to cats, dogs and horses (genus Rosa). Petals and the vitamin-rich hips are harmless if nibbled; the practical risk is the dense, prickly stems and bristles scratching pets.

What USDA hardiness zone does hansa rose grow in?

Hansa Rose is rated for USDA zone 3-9 and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Hansa Rose deep-dive guides

Every aspect of hansa rose care, each with its own calibrated guide:

Featured in these plant shortlists

Hansa Rose qualifies for 12 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplantsHouseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best drought-tolerant houseplantsHouseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
  • Best flowering houseplantsIndoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
  • Best pet-safe low-maintenance plantsNon-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
  • Best pet-safe flowering plantsFlowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
  • Best pet-safe plants for bright lightNon-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
  • Best pet-safe large indoor plantsBig, floor-standing houseplants the ASPCA lists as non-toxic to cats and dogs — a statement plant that is safe around pets.
  • Best houseplants for full sunHouseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
  • Best houseplants for a cool roomHouseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
  • Best fragrant houseplantsIndoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
  • Best cat-safe plantsHouseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plantsHouseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
  • Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Hansa Rose is also commonly called Hansa Rose or Rugosa Hansa.