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Plant care

Queen Lily (Hidden Ginger) care

Curcuma petiolata

Also called Hidden Ginger, Jewel of Burma, Siam Tulip.

RHS H2USDA 8-11Mildly toxic to petsIndoor 60-90 cm tall in flower

Watering rhythm

5-7days

When the top 2-3 cm of soil is dry during the growing season, roughly every 5-7 days

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, free-draining loam with organic matter

Humidity

50-70%

Temp

18-30°C

Pet safety

Mildly toxic to pets

Mature size

60-90 cm tall in flower

Care at a glance

Light

In the wild queen lily grows on the bright edge of a forest canopy, not in the canopy and not in the open. Indoors, that translates to within a metre of an unobstructed window, sheer curtain optional. Prefers bright, filtered light or dappled shade. Direct midday sun can scorch the large leaves. Morning sun with afternoon shade is ideal in hot climates. The fastest test: a hand held at the leaf casts a soft-edged shadow at noon — sharp shadow means too much sun, no shadow means too little light.

Watering

Aim for when the top 2-3 cm of soil is dry during the growing season, roughly every 5-7 days for queen lily, 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 regularly and generously during active growth (spring to autumn). Gradually reduce watering as foliage yellows in autumn and stop entirely during winter dormancy to prevent rhizome rot.

Soil and pot

Queen Lily grows best in rich, free-draining loam with organic matter. A fertile, humus-rich potting mix amended with perlite works well in containers. Good drainage is critical to prevent rhizome rot during winter storage. 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 Lily sits happiest at around 50-70% humidity and 18-30°C (64-86°F). Appreciates higher humidity typical of tropical environments. Mist foliage regularly or use a pebble tray with water to raise local humidity when grown indoors. If you keep the room above 18 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 lily sparingly. Feed with a balanced liquid fertiliser every 2-3 weeks during the active growing season (late spring to early autumn). Withhold feeding entirely during winter dormancy. 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 lily in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Rhizome rotMost common cause of failure; results from overwatering during dormancy. Allow soil to dry completely and store rhizomes in dry conditions through winter.
  • Failure to emergeRhizomes need warmth (above 18°C) to break dormancy. Delay watering until temperatures reliably warm in spring.
  • Spider mitesMay attack in hot, dry indoor conditions. Increase humidity, mist foliage, and treat with insecticidal soap or neem oil.
  • Leaf scorchBrown leaf margins or bleached patches result from direct strong sunlight. Move to a brighter-indirect position.
  • No floweringRhizomes may need to reach maturity (2-3 years) before flowering well. Ensure adequate warmth, moisture, and feeding during the growing season.

Companion plants

Queen Lily pairs well with Hedychium coronarium, Canna indica, Colocasia esculenta, and Alpinia zerumbet. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Divide rhizomes in spring just as new growth emerges, ensuring each division has at least one growing point. Pot up divisions and keep warm until established. 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 Lily is mildly toxic to pets. Curcuma petiolata is not individually listed by the ASPCA. The Curcuma genus contains compounds including curcuminoids and essential oils; while culinary turmeric (C. longa) is generally regarded as safe in food amounts, ornamental species have not been fully evaluated. Treat as mildly toxic and keep away from pets as a precaution. 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 Lily care — frequently asked questions

What is the common name for Curcuma petiolata?

Curcuma petiolata is most commonly called Queen Lily, but it is also known as Hidden Ginger, Jewel of Burma, Siam Tulip. The names refer to the same species, so care instructions for Queen Lily apply identically to anything sold as Hidden Ginger.

How much light does queen lily need?

Queen Lily grows best in bright indirect light (just back from a sunny window). Prefers bright, filtered light or dappled shade. Direct midday sun can scorch the large leaves. Morning sun with afternoon shade is ideal in hot climates.

How often should I water queen lily?

Water queen lily when the top 2-3 cm of soil is dry during the growing season, roughly every 5-7 days. Water regularly and generously during active growth (spring to autumn). Gradually reduce watering as foliage yellows in autumn and stop entirely during winter dormancy to prevent rhizome rot. 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 lily toxic to cats and dogs?

Queen Lily is mildly toxic to pets. Curcuma petiolata is not individually listed by the ASPCA. The Curcuma genus contains compounds including curcuminoids and essential oils; while culinary turmeric (C. longa) is generally regarded as safe in food amounts, ornamental species have not been fully evaluated. Treat as mildly toxic and keep away from pets as a precaution.

What USDA hardiness zone does queen lily grow in?

Queen Lily is rated for USDA zone 8-11 and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Queen Lily deep-dive guides

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

Featured in these plant shortlists

Queen Lily qualifies for 2 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Queen Lily is also known as Hidden Ginger, Jewel of Burma, and Siam Tulip.