Growli

Plant care

Othello Ligularia (purple-backed goldenray) care

Ligularia dentata 'Othello'

Also called Othello ligularia, purple-backed goldenray.

RHS H7USDA 4-8Mildly toxic to petsIndoor 90 cm-1.2 m tall and wide

Watering rhythm

Medium indirect light (a couple of metres from a window)

Keep permanently moist; water deeply 2-3 times weekly, daily during heat

Light

Medium indirect light (a couple of metres from a window)

Soil

Deep, fertile, moisture-retentive loam or clay

Humidity

50-70%

Temp

-1 to 24°C

Pet safety

Mildly toxic to pets

Mature size

90 cm-1.2 m tall and wide

Care at a glance

Light

Othello Ligularia wants the spot a few feet back from a sunny window — bright enough to read a paperback at noon, but the sun never falls directly on the leaves. Partial shade suits it best. Morning sun is fine where roots stay saturated, but exposure to hot midday sun on anything less than constantly moist soil causes rapid, severe wilting. A faint hand shadow at midday is the right amount; a sharp dark shadow means it's getting direct sun and probably too much.

Watering

Water othello ligularia keep permanently moist; water deeply 2-3 times weekly, daily during heat. 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. Treat as a bog plant. It tolerates standing damp and waterlogged ground far better than drought. Heavy mulch and a low, water-retentive site reduce the constant watering demand.

Soil and pot

Othello Ligularia grows best in deep, fertile, moisture-retentive loam or clay. Rich soil heavy in organic matter is ideal. Moisture-holding clay and pondside ground are perfect; lighter, free-draining soils need generous compost and regular irrigation to keep it happy. 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

Othello Ligularia sits happiest at around 50-70% humidity and -1 to 24°C (30 to 75°F). Garden humidity is sufficient; the plant relies on root moisture more than air moisture. Sheltered, damp positions out of drying wind keep the dramatic purple-backed leaves in peak condition. 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 othello ligularia sparingly. Mulch with well-rotted manure or compost in spring and apply a balanced feed as growth gets underway. Fertile ground produces the largest, most colourful leaves; avoid heavy nitrogen, which encourages soft growth prone to flopping. 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 othello ligularia in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Severe midday wiltThe large leaves flag dramatically in afternoon sun if roots dry; they rebound after deep watering, but repeated stress weakens the plant. Constant soil moisture is the fix.
  • Slug and snail holingSlugs and snails relish the lush spring foliage and can riddle leaves with holes overnight. Protect emerging growth with barriers or wildlife-friendly slug controls.
  • Leaf scorch and fading colourToo much direct sun browns leaf edges and can dull the purple undersides. Provide afternoon shade and steady moisture to preserve foliage colour.
  • Powdery mildew in dry spellsDrought stress in shade can trigger powdery mildew on foliage; keep roots evenly moist and ensure reasonable air movement to prevent it.

Propagation

Divide clumps in spring or autumn, replanting vigorous sections into rich, moist soil. Division is the dependable way to keep this named cultivar true; seed will not reliably reproduce the dark-backed foliage. 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

Othello Ligularia is mildly toxic to pets. Ligularia dentata is not individually listed on the ASPCA Toxic and Non-Toxic Plants database, so its pet status is unconfirmed. As a member of the tribe Senecioneae (alongside the ASPCA-toxic Senecio/Curio), it is associated with the pyrrolizidine-alkaloid group known to be hepatotoxic; treat with caution, discourage chewing, and verify with a vet. 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.

Othello Ligularia care — frequently asked questions

What is the common name for Ligularia dentata 'Othello'?

Ligularia dentata 'Othello' is most commonly called Othello Ligularia, but it is also known as Othello ligularia, purple-backed goldenray. The names refer to the same species, so care instructions for Othello Ligularia apply identically to anything sold as purple-backed goldenray.

How much light does othello ligularia need?

Othello Ligularia grows best in medium indirect light (a couple of metres from a window). Partial shade suits it best. Morning sun is fine where roots stay saturated, but exposure to hot midday sun on anything less than constantly moist soil causes rapid, severe wilting.

How often should I water othello ligularia?

Water othello ligularia keep permanently moist; water deeply 2-3 times weekly, daily during heat. Treat as a bog plant. It tolerates standing damp and waterlogged ground far better than drought. Heavy mulch and a low, water-retentive site reduce the constant watering demand. 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 othello ligularia toxic to cats and dogs?

Othello Ligularia is mildly toxic to pets. Ligularia dentata is not individually listed on the ASPCA Toxic and Non-Toxic Plants database, so its pet status is unconfirmed. As a member of the tribe Senecioneae (alongside the ASPCA-toxic Senecio/Curio), it is associated with the pyrrolizidine-alkaloid group known to be hepatotoxic; treat with caution, discourage chewing, and verify with a vet.

What USDA hardiness zone does othello ligularia grow in?

Othello Ligularia is rated for USDA zone 4-8 (hardy garden perennial) and RHS hardiness H7. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Othello Ligularia deep-dive guides

Every aspect of othello ligularia care, each with its own calibrated guide:

Featured in these plant shortlists

Othello Ligularia qualifies for 8 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Othello Ligularia is also commonly called Othello ligularia or purple-backed goldenray.