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Plant care

Queen Elizabeth Rose (Queen Elizabeth) care

Rosa 'Queen Elizabeth'

Also called Queen Elizabeth, The Queen Elizabeth Rose, Grandiflora Queen Elizabeth.

RHS H6USDA 5-9Pet-safeIndoor 1.2-1.8 m tall and 0.6-0.9 m wide (taller in mild climates).

Watering rhythm

Direct sun (at least 4-6 hours)

Deeply once or twice weekly, when the top few centimetres of soil are dry

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Light

Direct sun (at least 4-6 hours)

Soil

Fertile, well-drained loam

Humidity

40-60%

Temp

15-27°C

Pet safety

Pet-safe

Mature size

1.2-1.8 m tall and 0.6-0.9 m wide (taller in mild climates).

Care at a glance

Light

Queen Elizabeth Rose needs sun on the leaves, not just bright ambient room light. Needs a minimum of 6 hours of direct sun daily for the heaviest flowering and best disease resistance. Morning sun that dries dew off the foliage reduces blackspot. This is a garden shrub, not an indoor plant; site it in an open, sunny position. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water queen elizabeth rose deeply once or twice weekly, when the top few centimetres of soil are dry. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Water deeply at the base to encourage deep roots, increasing in summer heat and the first season after planting. Established plants are fairly drought-tolerant but flower best with steady moisture. Avoid wetting foliage and reduce watering in winter.

Soil and pot

Queen Elizabeth Rose grows best in fertile, well-drained loam. Thrives in deep, humus-rich loam, pH 6.0-6.5, improved with compost or well-rotted manure. Tolerates a range of soils but needs good drainage; mulch annually to feed the soil and conserve moisture. 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

Queen Elizabeth Rose sits happiest at around 40-60% humidity and 15-27°C (59-81°F). An outdoor shrub that copes with normal ambient humidity. Good spacing and airflow matter more than humidity level, helping to keep blackspot and mildew in check. 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 queen elizabeth rose sparingly. Feed in early spring as growth begins and again after the first flush, using a balanced rose fertiliser; supplementary liquid feeds through summer support repeat flowering. Stop feeding by late summer so new growth hardens before winter. Mulch with compost or rotted manure in spring. 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 queen elizabeth rose in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Blackspot — Black-edged spots and leaf drop in humid, wet conditions; remove infected leaves, water at the base and ensure good airflow.
  • Powdery mildew — White film on young leaves and buds in still, humid air; prune for airflow and keep plants evenly watered.
  • Leggy, bare base — This tall grandiflora can grow leggy with sparse lower growth; prune hard in late winter to encourage bushier, well-clothed canes.
  • Aphids — Cluster on soft new shoots and buds; dislodge with water, encourage ladybirds or use insecticidal soap.

Propagation

Propagate from semi-hardwood cuttings in summer or hardwood cuttings in autumn, rooted in gritty compost; commercially it is usually budded onto rootstock. Clone vegetatively to keep the cultivar true, for personal use only. 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

Queen Elizabeth Rose is pet-safe. ASPCA-listed as non-toxic to cats, dogs and horses (true Rosa species). Thorns, though sparse on this cultivar, can still cause physical injury, so supervise pets near the plant. 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.

Queen Elizabeth Rose care — frequently asked questions

What is the common name for Rosa 'Queen Elizabeth'?

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

How much light does queen elizabeth rose need?

Queen Elizabeth Rose grows best in direct sun (at least 4-6 hours). Needs a minimum of 6 hours of direct sun daily for the heaviest flowering and best disease resistance. Morning sun that dries dew off the foliage reduces blackspot. This is a garden shrub, not an indoor plant; site it in an open, sunny position.

How often should I water queen elizabeth rose?

Water queen elizabeth rose deeply once or twice weekly, when the top few centimetres of soil are dry. Water deeply at the base to encourage deep roots, increasing in summer heat and the first season after planting. Established plants are fairly drought-tolerant but flower best with steady moisture. Avoid wetting foliage and reduce watering in winter. 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 queen elizabeth rose toxic to cats and dogs?

Queen Elizabeth Rose is pet-safe. ASPCA-listed as non-toxic to cats, dogs and horses (true Rosa species). Thorns, though sparse on this cultivar, can still cause physical injury, so supervise pets near the plant.

What USDA hardiness zone does queen elizabeth rose grow in?

Queen Elizabeth Rose is rated for USDA zone 5-9 (outdoor; very hardy) and RHS hardiness H6. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Queen Elizabeth Rose deep-dive guides

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

Featured in these plant shortlists

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

Related guides

Queen Elizabeth Rose is also known as Queen Elizabeth, The Queen Elizabeth Rose, and Grandiflora Queen Elizabeth.