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Plant care

Olivia Rose Austin (Ausmixture) care

Rosa 'Olivia Rose Austin'

Also called Olivia Rose Austin, Ausmixture.

RHS H6USDA 5-10Pet-safeIndoor 1.1-1.25 m (3.5-4 ft) tall and about 1 m (3 ft) wide.

Watering rhythm

Direct sun (at least 4-6 hours)

Deeply 1-2 times per week, more in heat

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Light

Direct sun (at least 4-6 hours)

Soil

Fertile, well-drained loam, pH 6.0-6.8

Humidity

40-60%

Temp

15-27°C

Pet safety

Pet-safe

Mature size

1.1-1.25 m (3.5-4 ft) tall and about 1 m (3 ft) wide.

Care at a glance

Light

Most houseplants will scorch where olivia rose austin thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Flowers best in full sun with 6 or more hours daily; tolerates light shade but blooms most freely and stays healthiest in open sunlight. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for deeply 1-2 times per week, more in heat for olivia rose austin, 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. Water deeply at the base with about 4-5 cm (1.5-2 in) weekly; consistent moisture supports its long, generous flowering season.

Soil and pot

Olivia Rose Austin grows best in fertile, well-drained loam, ph 6.0-6.8. Grows best in rich, free-draining soil amended with organic matter; mulch annually to conserve moisture and feed the roots. 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

Olivia Rose Austin sits happiest at around 40-60% humidity and 15-27°C (59-81°F). Highly adaptable to outdoor humidity; its exceptional disease resistance makes it forgiving even in damper climates with good spacing. If you keep the room above 15 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 olivia rose austin sparingly. Feed rose or balanced fertiliser in early spring and again after the first flush, with an optional midsummer feed to sustain its long bloom; stop by late summer. 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 olivia rose austin in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Aphids — Soft new growth attracts them; remove with a water jet or insecticidal soap before buds are distorted.
  • Rare blackspot — Among the most disease-resistant English roses, but clear fallen leaves in prolonged wet to keep it clean.
  • Reduced bloom in shade — Flowering drops in too little light; site in full sun for the heaviest, earliest bloom.
  • Spent-bloom build-up — Very free-flowering, so faded blooms accumulate; deadhead regularly to encourage continuous repeat bloom.

Propagation

Propagate from semi-hardwood cuttings in late summer or by budding onto rootstock; David Austin cultivars do not come true from seed. 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

Olivia Rose Austin is pet-safe. ASPCA-listed as non-toxic to cats, dogs, and horses (genus Rosa). The plant carries no toxic principle; only the thorns present a physical hazard. 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.

Olivia Rose Austin care — frequently asked questions

What is the common name for Rosa 'Olivia Rose Austin'?

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

How much light does olivia rose austin need?

Olivia Rose Austin grows best in direct sun (at least 4-6 hours). Flowers best in full sun with 6 or more hours daily; tolerates light shade but blooms most freely and stays healthiest in open sunlight.

How often should I water olivia rose austin?

Water olivia rose austin deeply 1-2 times per week, more in heat. Water deeply at the base with about 4-5 cm (1.5-2 in) weekly; consistent moisture supports its long, generous flowering season. 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 olivia rose austin toxic to cats and dogs?

Olivia Rose Austin is pet-safe. ASPCA-listed as non-toxic to cats, dogs, and horses (genus Rosa). The plant carries no toxic principle; only the thorns present a physical hazard.

What USDA hardiness zone does olivia rose austin grow in?

Olivia Rose Austin is rated for USDA zone 5-10 and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Olivia Rose Austin deep-dive guides

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

Featured in these plant shortlists

Olivia Rose Austin qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
  • Best pet-safe flowering plants — Flowering 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 light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
  • Best pet-safe large indoor plants — Big, 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 sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
  • Best fragrant houseplants — Indoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
  • Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plants — Houseplants 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

Olivia Rose Austin is also commonly called Olivia Rose Austin or Ausmixture.