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Plant care

Queen's Spiderwort (Queen Spiderwort) care

Dichorisandra reginae

Also called Queen Spiderwort, Royal Spiderwort.

RHS H1bUSDA 11-12Mildly toxic to petsIndoor 30-60 cm tall indoors

Watering rhythm

7-10days

When the top 2-3 cm of soil is dry, roughly every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, well-draining, humus-rich potting mix

Humidity

60-80%

Temp

18-27°C

Pet safety

Mildly toxic to pets

Mature size

30-60 cm tall indoors

Care at a glance

Light

In the wild queen's spiderwort 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. Thrives in bright indirect light which intensifies the silver leaf patterning and encourages flowering. Tolerates medium indirect light but growth slows. Keep out of direct harsh sunlight. 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, roughly every 7-10 days for queen's spiderwort, 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. Keep evenly moist during active growth but never waterlogged. Reduce watering in winter when growth slows. Use lukewarm, filtered water for best results.

Soil and pot

Queen's Spiderwort grows best in rich, well-draining, humus-rich potting mix. A blend of peat-free multipurpose compost, perlite, and fine orchid bark provides the moisture retention, drainage, and aeration this tropical species needs. Slightly acidic pH of 6.0-6.5 is preferred. 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's Spiderwort sits happiest at around 60-80% humidity and 18-27°C (64-80°F). Demands high humidity to perform well. Low humidity causes leaf edges to brown and dulls the silver banding. A terrarium-style environment, a conservatory, or frequent misting suits it best. 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's spiderwort sparingly. Feed every two to three weeks during spring and summer with a dilute balanced liquid fertiliser. A fertiliser with magnesium (or occasional Epsom salt flush) helps maintain the vivid leaf markings. Do not feed in winter. 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's spiderwort in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Brown leaf marginsAlmost always low humidity. This species is particularly sensitive to dry air; a humidifier or enclosed terrarium setting helps greatly.
  • Fading silver patterningInsufficient light or magnesium deficiency. Improve light levels and consider a dilute Epsom salt solution monthly.
  • Root rotOverwatering in heavy soil causes roots to collapse. Use a well-draining mix and allow the top soil to dry between waterings.
  • Rare finding in cultivationLimited availability means replacement plants can be hard to source. Propagate regularly to maintain stock.
  • Spider mites in dry conditionsIncrease humidity and treat with neem oil or insecticidal soap if webbing appears.

Companion plants

Queen's Spiderwort pairs well with Dichorisandra thyrsiflora, Ctenanthe setosa, Tradescantia spathacea, and Fittonia albivenis. 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

Take stem cuttings of 8-12 cm in spring and root under high humidity in warm, moist compost. Division of rhizomes at repotting in spring is an alternative method. 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's Spiderwort is mildly toxic to pets. Dichorisandra reginae is not individually listed by the ASPCA. As a member of the Commelinaceae family, which includes mildly irritant species, a precautionary 'mildly-toxic' classification is applied. Sap may cause mild skin or gastrointestinal irritation. 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's Spiderwort care — frequently asked questions

What is the common name for Dichorisandra reginae?

Dichorisandra reginae is most commonly called Queen's Spiderwort, but it is also known as Queen Spiderwort, Royal Spiderwort. The names refer to the same species, so care instructions for Queen's Spiderwort apply identically to anything sold as Queen Spiderwort.

How much light does queen's spiderwort need?

Queen's Spiderwort grows best in bright indirect light (just back from a sunny window). Thrives in bright indirect light which intensifies the silver leaf patterning and encourages flowering. Tolerates medium indirect light but growth slows. Keep out of direct harsh sunlight.

How often should I water queen's spiderwort?

Water queen's spiderwort when the top 2-3 cm of soil is dry, roughly every 7-10 days. Keep evenly moist during active growth but never waterlogged. Reduce watering in winter when growth slows. Use lukewarm, filtered water for best results. 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's spiderwort toxic to cats and dogs?

Queen's Spiderwort is mildly toxic to pets. Dichorisandra reginae is not individually listed by the ASPCA. As a member of the Commelinaceae family, which includes mildly irritant species, a precautionary 'mildly-toxic' classification is applied. Sap may cause mild skin or gastrointestinal irritation.

What USDA hardiness zone does queen's spiderwort grow in?

Queen's Spiderwort is rated for USDA zone 11-12 (indoor-only in all but the most tropical climates) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Queen's Spiderwort deep-dive guides

Every aspect of queen's spiderwort care, each with its own calibrated guide:

Featured in these plant shortlists

Queen's Spiderwort 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's Spiderwort is also commonly called Queen Spiderwort or Royal Spiderwort.