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Plant care

Phalaenopsis 'Liodoro' (Fragrant Moth Orchid) care

Phalaenopsis 'Liodoro'

Also called Fragrant Moth Orchid.

RHS H1bUSDA 11-12Pet-safeIndoor 20-30 cm (8-12 in) tall in leaf

Watering rhythm

7-10days

About every 7-10 days, when the bark begins to dry and roots silver over

Light

Bright indirect light (just back from a sunny window)

Soil

Open epiphytic orchid mix (medium bark, perlite, charcoal, some sphagnum)

Humidity

50-70%

Temp

20-30°C

Pet safety

Pet-safe

Mature size

20-30 cm (8-12 in) tall in leaf

Care at a glance

Light

Bright but filtered. Phalaenopsis 'Liodoro' burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Bright filtered light suits this warmth-loving hybrid; an east window or sheer-curtained south window is ideal. Adequate light is essential to trigger sequential reblooming, but shield from harsh direct sun that scorches the leaves. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering phalaenopsis 'liodoro': about every 7-10 days, when the bark begins to dry and roots silver over. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Soak thoroughly and drain completely; this hybrid dislikes staying wet or fully drying out for long. Tepid water is best, and avoid splashing the crown. Roots should plump green after watering and lighten as the mix dries.

Soil and pot

Phalaenopsis 'Liodoro' grows best in open epiphytic orchid mix (medium bark, perlite, charcoal, some sphagnum). A coarse, fast-draining bark-based mix in a well-vented pot keeps the thick roots oxygenated. Clear pots aid root monitoring. Standard potting compost holds too much water and will rot a Phalaenopsis. 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

Phalaenopsis 'Liodoro' sits happiest at around 50-70% humidity and 20-30°C (68-86°F). Likes it slightly humid; 50-70% supports its lush violacea-type roots and fragrance. Use pebble trays or a humidifier in dry rooms, paired with gentle airflow to deter leaf-spotting fungus and rot. If you keep the room above 20 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 phalaenopsis 'liodoro' sparingly. Feed weakly-weekly with a balanced orchid fertiliser at one-quarter to half strength during active growth, flushing with plain water monthly. Consistent warmth plus light feeding drives the long sequential bloom this hybrid is known for. 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 phalaenopsis 'liodoro' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Loss of fragrance / failure to rebloomBoth are usually temperature-driven. This violacea-type hybrid needs sustained warmth and bright indirect light; cool or dim conditions suppress scent and flowering.
  • Bud blastDrafts, dry air, big temperature swings, or nearby ripening fruit cause buds to yellow and drop. Maintain stable warmth and humidity through the budding period.
  • Root rot and limp leavesOverwatering or a waterlogged mix collapses the roots, leaving leaves soft and wrinkled. Repot into fresh bark, trimming dead roots, and water only when nearly dry.
  • Crown rotWater trapped in the crown rots the growing point and is often fatal. Water at the base, keep the crown dry, and ensure foliage dries before evening.

Propagation

Propagate from keikis that form on the flower spike or base; pot them once they have several leaves and roots of 3-5 cm. Being monopodial, it cannot be divided. As a registered hybrid, commercial stock is produced by tissue culture rather than coming 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

Phalaenopsis 'Liodoro' is pet-safe. ASPCA-listed as non-toxic to cats and dogs. Phalaenopsis orchid appears by name on the ASPCA non-toxic list. Ingestion may still cause minor stomach upset in pets that chew foliage, so position it out of their reach. 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.

Phalaenopsis 'Liodoro' care — frequently asked questions

What is the common name for Phalaenopsis 'Liodoro'?

Phalaenopsis 'Liodoro' is most commonly called Phalaenopsis 'Liodoro', but it is also known as Fragrant Moth Orchid. The names refer to the same species, so care instructions for Phalaenopsis 'Liodoro' apply identically to anything sold as Fragrant Moth Orchid.

How much light does phalaenopsis 'liodoro' need?

Phalaenopsis 'Liodoro' grows best in bright indirect light (just back from a sunny window). Bright filtered light suits this warmth-loving hybrid; an east window or sheer-curtained south window is ideal. Adequate light is essential to trigger sequential reblooming, but shield from harsh direct sun that scorches the leaves.

How often should I water phalaenopsis 'liodoro'?

Water phalaenopsis 'liodoro' about every 7-10 days, when the bark begins to dry and roots silver over. Soak thoroughly and drain completely; this hybrid dislikes staying wet or fully drying out for long. Tepid water is best, and avoid splashing the crown. Roots should plump green after watering and lighten as the mix dries. 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 phalaenopsis 'liodoro' toxic to cats and dogs?

Phalaenopsis 'Liodoro' is pet-safe. ASPCA-listed as non-toxic to cats and dogs. Phalaenopsis orchid appears by name on the ASPCA non-toxic list. Ingestion may still cause minor stomach upset in pets that chew foliage, so position it out of their reach.

What USDA hardiness zone does phalaenopsis 'liodoro' grow in?

Phalaenopsis 'Liodoro' is rated for USDA zone 11-12 (indoor in most US homes) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Phalaenopsis 'Liodoro' deep-dive guides

Every aspect of phalaenopsis 'liodoro' care, each with its own calibrated guide:

Featured in these plant shortlists

Phalaenopsis 'Liodoro' qualifies for 11 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplantsHouseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
  • Best plants for a north-facing windowHouseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
  • Best humidity-loving houseplantsHouseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
  • Best flowering houseplantsIndoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
  • Best pet-safe flowering plantsFlowering 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 lightNon-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
  • Best small & tabletop houseplantsCompact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
  • Best fragrant houseplantsIndoor plants with scented flowers or aromatic foliage — greenery you can smell, selected from our care library.
  • Best cat-safe plantsHouseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plantsHouseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
  • Best small pet-safe plantsCompact, tabletop houseplants that are also ASPCA non-toxic to cats and dogs — safe greenery for a desk or shelf.
  • Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Phalaenopsis 'Liodoro' is also commonly called Fragrant Moth Orchid.